the lesso of this research, onof the foundations of what i learned is a guy named tim that-- timothy wilson from the university of virginia. he emphasizes that to change your mind you change your behaviour. alcoholics anonymous have the saying fake it until you make it. and so if you chae your behaviour, then slowly that will rewire the way you think. and so somebody recently asked me about who is the real me. i behave in a certain way but the real me is dierent. i'm not quite clear sure i believe that. the secretary thing is you really have the por to influence who you will be surrounded by, or surrounded by anone of another and powerful and across many spheres is the tremendous wer of our peers to influence us in ways we don't understand. so our obesity, our fitness, very powerfully influenced by who we happen to be with. >> one of the things we do as i mentioned and this is a controversial concept but the concept of which is that when i see you pick up a glass my brain acts as if it is picking up the glass. it is reenacting. and so like when we watch a porn movie it is acting as if we ar