>> yl, no, i'm doing okay. so basically i have since the age of about 2 as i say in the book been kind of a twitchy bundle of phobias, near os es, anxieties, all kinds of strange idiosyncratic phobias like for instance cheese and-- . >> stephen: you have a fear of cheese. >> yeah, i will never go to wisconsin. >> stephen: what is it about cheese that frightens you. >> it's utterly-- well, it's irrational-- . >> stephen: okay. >> this is what is so peculiar about anxieties. basically you know, i tell people that i would rather be buried in a sar cough gution full of say snakes which i'm not afraid of though many people are then be dipped into like gorgonzola. (laughter) and-- . >> stephen: so no cheese. >> no cheese. >> stephen: so you're good with velveeta though. >> no, no, not even velveeta. so i set out to write this book because i've struggled with anxiety disorders all my life. and i finally, and i was sort of fascinated by the notion of like what caused this. so i, looked deep into the science, the cultur