jennifer berman is a psychotherapist and sexual health expert and dr. sheri, she goes by dr. sheri, dr. sheri blake is a clinical psychologist. but both for joining us. this is a strange topic, and i mean strange because i don't get it. i mean action i get sex, like we all do. we get it. male and female, gay and straight, and other possibilities, but we get it. it has to do with sex. dr. jennifer, what does it have to do with sex that you go online and someone who's not anywhere near you, you don't know them, you may not even know the sound of their voice and you show them pictures of yourself? what is that and it's not like streaking in a street with a big raincoat opening up where you get the immediate reaction. and i guess that excites the people that do it. what's the excitement in this? and what is the gratification in this, that has been going on with this fellow, maybe through this year continuing? >> i think more in line with these men in positions of power and control are thrill-seekers and sensation seekers. so this is just an extension of that where we see with schw