that is lucas irwin coming down the steps. visiting his family in canada for the holidays. ey haven't seen him in a little more than a year and over the course of that year, lucas lost 130 pounds. >> can that change your appearance? a whole person. >> they're so proud of him. he lives about six hours away from his family. he didn't post photos on facebook, but if you want to see a before and after picture, here you go. >> there's a big difference. >> he said his entire life, he had been struggling with his weight and had tried 20 to 30 times to lose weight, but this time, he started really focusing on calorie intake. it's all about putting really good food into your body. oranges, eggs, chicken, salsa, vegetables. he set his goal around 350 calories per day. >> the only person he was trying to satisfy was himself. he wasn't posting pictures. it's cool he finally found something that worked for him. >> oh, my god. i'm so proud of you. oh, my god. >> new year's celebration. this is in slovakia, where celebrations turned out to be faster than they wanted. >> that's the firework