happen? >> absolutely. i have a study that says yes. they study people carefully. there is a part of the brain called the prefrontal cortex and it lights up when you see pictures of people that are right for you. when you meet them the same part of the brain lights up. i tell you what the problem is. it is usually someone that is hot. it doesn't necessarily means it is right for you. if you see kate upton, your brain lights up. may be the wrong person for you but your brain lights up. >> you can look at a bunch of pretty woman, if you're a man, and certain ones would ring your bell. >> absolutely but we don't know if they are the right person for you to settle down with. >> i've got a question about food and oysters, that oysters are an aphrodisiac. i had a bunch before the show. is it a myth? >> unless you're cass nova and you have three dozen of these things, it is