this is "nightline." >> tonight, the breaking news out of philadelphia. an amtrak train with 243 people on board derails killing at least five and sending at least 130 to the hospital. now, rescue efforts underway the walking wounded, the search for victims and answers. plus, lifestyles of the frugal and famous. how does retirement by age 30 sound? he's known as mr. money mustache. tonight, he's sharing his cinch and will surprising advise for what he calls a better and smarter version of luxury. >> announcer: "nightline" will

be right back.

and at least 130 people were taken to hospitals in the area. six of them critically injured.

here is an instagram video of a rescue taking place. >> keep crawling okay? >> crawl forward, sir. come on ma'am. >> this all took place in the port richmond area of philadelphia. a scene of chaos and carnage tonight. >> the air, you can see the cars hurled onto their sides surrounded by a sea of flashlights wielded by first responders searching for victims. >> notify amtrak to shut down the entire northeast corridor. we have a major event here. >> and on the ground, the images of the wounded. these are the mangled remains of amtrak train 188. it was carrying 238 passengers and five crew members on their way from washington d.c. to new york city when the train went off the tracks. seven cars plus the trainees engine flipped over onto their

side. one turned almost completely upside down. five people have been confirmed dead six more in critical condition and more than 65 others in the hospital tonight. a former congressman was a mae. >> it was mayhem at first. i was in a cafe car. i was in the fourth car probably. it was a lot of folks got banged up and hurt bad. i pushed out the emergency window. i had to lift myself up. lifted people up. >> the derailment happened in the port richmond section of philadelphia at around 9:30 tonight. the city's mayor spoke at the scene. >> it's an absolute mess. never seen anything like this in my life. i cannot say everyone is accounted for at this time. >> the philadelphia fire department deploying its teams

in full force. >> i've never seen anything so devastating. they're in pretty bad shape. they've completely derailed from the track. they've been destroyed completely. they've been overturned completely. >> basically, the train tilted over and rolled. >> it happened in seconds, so i don't know what happened. i have no idea. >> i heard a big bang. 20 memberships later, helicopters and everybody started coming. >> i seen a car tilt over. i was seeing a lot of passengers coming out really badly hurt. there was a lot of ambulance. going back there picking everybody up. >> late tonight, passengers gave us a vivid account of what it was like inside those train cars during the moment of crisis. >> people were panicking and, you know then you could smell the smoke of the train. when i escaped, the scene looked pretty chaotic.

you could see passenger walking with blood all over their face and one of the passenger in the wreckage seemed like was trap sfwld i could feel the train shifting to the right. at first you think it's minor. suddenly the car just got tossed and then a moment of chaos. people and things tumbling around you. the cars are -- you know kind of moment you're not sure this might be it. then like you know you -- i mean, then everything kind of stopped and there was -- i could taste dirt in my mouth. our car had landed on its side. >> there were definitely people who had a lot of blood. there was a lot of stuff flying around. a lot of the seats came dislodged. there were definitely people after i got off the train, that were being carried away on stretchers that were having some

serious issues. i hope everybody's okay. >> tonight with as many as six area hospitals treating the wounded, the big question is of course what went wrong here. both the federal railroad administration and the ntsb are sending teams of investigators to the accident site. whatever they find it will not undo the gruesomeness. this is the front page of the philadelphia inquirer that will hit newsstands in the morning. >> again the question what went wrong here. we'll have much more on this breaking story throughout our show and throughout the night. and of course a full wap-up first thing in the morning. now, we are going to move onto a story of a very different variety and it involves your money. you're about to meet a young man who retired at the age of 30. not because he made millions but because he cut back in some radical ways.

here's our gloria riviera. >> flip on your tv day or night and chances are you'll find a financial guru telling you want to do with your money. from suzie to jim cramer. but the experts haven't done what this man did retire at age 30. as if never have to work for money again. >> my coworkers were a little surprised. what do you mean retire? you're going to take a month off? nope. we're done. we have enough money for life. >> his family completely debt-free. they live and live well on about $25,000 a year. >> comfort is expensive. slight discomfort is cheap. >> he preaches his financial gospel on his popular blog. his followers all post on the site eager to achieve what he

calls financial freedom through badassity. >> they can go from a modest struggling lifestyle to one with a lot of surplus. >> they spent their 20s as software engineers making about $134,000 together. but they wanted to make a change and start a family. >> it was more thinking about freedom. it would be nice to get through this and be able to step back and focus on kids. >> by the age of 30, pete and his wife had quite the nest egg. >> what did you have in the bank? >> at the time of retirement we had it split up with about $600,000 of investments and a house that was paid off. >> how did pete manage to succeed where so many of us fail? first, aim to save half of your take-home pay. >> the more you get saved up, the less you need to protect yourself. >> when it comes to your house he says don't buy into the moving on up hype. >> now i'm in a smaller house

and i'm happier than i've ever been in life. much happier. >> carl is one of pete's devoted followers. now he is on the verm of retirement. >> how did you change your life? >> we had a house that was about 5,000 square feet. the first thing i said, we have to downsize. >> for starters, forget financing that fancy car. his is ten years old. >> this is my brand-new luxury 2005 sion xa. you could not possibly have a nicer car than this. >> when it comes to fancy coffee he says until you are a millionaire, make your own. check this out. there i am getting my beloved latte on the way to work. over a year 260 lattes $1,170.

over a decade $11,700. >> you could be investing that money. >> what about that gym membership? >> now we're getting a tour of the gym. >> it may be basic, but mine cost me $6,000 per decade. >> this is the weight room. you don't need special machines or stuff that goes like this. just need pieces of heavy iron. >> but none of this means you're a slave to the dollar. he splurges at an organic grocery store. >> three for a dollar? that's good. let's get three. if you ever throw out food then you're doing something wrong. >> his frugal yet fabulous way of life has made pete a cult hero. >> organic food, luxuries cheese and chocolate for just 50 bucks. >> not bad.

>> from the checkout line to online pete practices his philosophy. >> challenge yourself, become stronger become more efficient at everything you do. money is just one of those things. work on your health, wealth and knowledge. you get a lot richer. >> it sounds like a life philosophy not necessarily just a financial philosophy. >> you're definitely right. >> a richer life on your own terms. gloria riviera in colorado. next the world of virtual reality and porn are now colliding thanks to new technology. but for people already struggling with addiction, could the consequences be dangerous? but here's the thing, about half of men over 40 have some degree of erectile dysfunction. well, viagra helps guys with ed get and keep an erection. and you only take it when you need it. ask your doctor if your heart

is healthy enough for sex. do not take viagra if you take nitrates for chest pain; it may cause an unsafe drop in blood pressure. side effects include headache, flushing, upset stomach and abnormal vision. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. stop taking viagra and call your doctor right away if you experience a sudden decrease or loss in vision or hearing. ask your doctor about viagra.

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just when you thought the multi-billion dollar porn business couldn't get any bigger, enter virtual reality. which promises to allow users to actually inhabit pornography. what kind of impact will this have on the countless americans who believe they're addicted? here's my nightly co-anchor. >> you are entering a virtual world where people turn themselves into avatars, meet up, and have sex. it's the latest technology revolutionizing the porn industry. >> it's a world filled with millions of other adults users looking for entertainment and a good time. >> but an upgraded video experience might mean unintended effects for those already hooked on porn. it is a $97 billion industry. like garren who says porn nearly destroyed his ten-year marriage. >> you go through this battle of wondering am i enough, how will

i ever be intimate again. >> just didn't go away. >> the desire for porn never went away for russell brand either. better known for his oversexed characters in movies. the former porn enthusiast now speaking out on the perils of porn. >> it reduces the sex to the kind of abstracted physical act. >> when his habit became a need, he checked himself into rehab. >> it's not something i like. it's something i haven't been able to make a long-term commitment to not looking at. it's affecting my ability to relate to women, myself my own spirituality spirituality. >> porn addiction is a hotly debated topic as many as 35% of americans claim to be afflicted and porn has played a role in half of all divorces in the u.s. but porn addiction is not recognized as a clinical condition. >> i definitely have seen clients that struggle with using porn levels that aren't really comfortable for them or their

partner's unhappy. with the fact that they're using it. but again, you know, sex is something that's a natural drive. so it's like eating or sleeping. we can't be addicted to something that's always operating within us. >> porn can warp people's view of sexuality. >> porn is our best sex educator, sadly. it can really set someone up for poor expectations. about what they can get from their partner. >> leaving them desperately unsatisfied. like it does in the movie don jon. >> every once in a while you find a clip that's so good it's depressing. you think yourself, why can't real [ bleep ] be like this. >> you find many, many different ways to hide what is going on. you're up late at night. you're just doing different things to distract. or you wait until they leave. >> he kept his porn habit hidden from his family, his four kids and wife. >> she traveled a lot.

that gave me plenty of time to do what i did. i developed many methods to live that second life. and nobody really knew about it. >> after two years of hiding his secret, he confessed. the shock took a heavy toll. >> suddenly i started doubting self-worth, am i beautiful, can i measure up to that. i can't. she's photo shopped. this person's been living in your home and laying in the bed next to you and he's not the person -- he's not the person that you think that he is. >> and sex between them became nearly impossible. >> for me, it was the constant mental attack that was happening for me. is he thinking about all these images. does he desire to be there and i'm just the convenient choice because i'm physically here. >> new technology is taking things to a whole new level, where partners don't even have to be physically there to have sex. >> so we're going to be able to reduce the --

>> brian of other verse has developed virtual porn software that transports you to a 3d world. where you're not just watching porn, you're in it. >> you can head over the gentleman's club and go on stage to give a pole dance. if you get a lap dance, the girl is right on your lap and she's moving and gyrating. the experience is remarkably real. >> you're represented by an avatar that is completely customized. they're created using motion capture technology of actual porn stars in the act. >> they get to become these porn stars with their partner or partners. in the case of the sex has gotten to be monotonous, both partners could put on virtual reality and have a sexual experience brought to them courtesy of the most spectacularly talented

performers. and adult entertainers. >> it can also be used against a relationship. again that happens when someone makes pornography their main sexual outlet. if you're in a committed relationship, that leaves your partner without sex. >> to save their marriage, they began therapy. he vowed to never look at porn again. >> am i actively in porn or looking at it or doing any of those, no. but the struggle of the triggers, the anxiety, the stress, those things are coming in everyday life. they never go away. >> it's not just men like him, it's also women. 17% of women are hooked on porn. >> i was probably watching pornography eight hours a day. >> it started when she was just a teenager. >> i was very much led a double life. school, being the perfect student.

then i would go home and lock myself in a room and watch porn. >> watching she says quickly morphed into a full-blown need. >> i would get up and say i'm not going to do this today. i am not going to do it. it was almost like my feet led me into the computer room. it's like you wake up six hours later. >> she had a hard time seeking help, in part because she believed the stereotype that only men had problems with pornography. >> i did not know how to walk into a room and say hi, my name is jessica and i'm addicted to pornography. we talk about men doing it all the time. all these resources are out there for men. but there's nothing for me. >> while her goal is to an stain from porn all together, she says quote, she still uses two or three times a year, which for her is quite an improvement. >> you get to the point where you feel like you have to -- it's a need like eating. these are my e-mails. >> she now runs a website where she gives advice to countless people caught in the cross hairs of a rapidly growing industry.

>> when i look in the mirror now, i see who i am and not what i've done. not what i've been through or anything like that. i see me. jessica, today. >> i'm juju chang in new york. >> thanks to juju and we will be right back. >> announcer: abc news "nightline" brought to you by microsoft cloud. we live in a world of mobile technology, but it is not the device that is mobile, it is you. when there is a game when there is a training when there is a goal, our duty is to bring that information as fast as possible to the people. real madrid have about 450 million fans. we're trying to give them all the feeling of being at the stadium. the microsoft cloud gives us the scalability to communicate exactly the content that people want to see.

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and finally tonight, the latest on the breaking news. that amtrak train crash in philadelphia. the city's mayor calling the scene an absolute disaster mess. after sempven cars including the

engine jumped the rails. officials still saying they cannot confirm everyone is accounted for tonight. we'll have much more on this story tomorrow on "good morning america." for now, thank you for watching abc news and good night.