. >> guest: he was from havard. he was in astrophysics major, seth jacobs in astrophysics major who always cared for me. he always doing preps guard i wasn't going to be the a student but that i met well. even though, that was how i skirted around my add and was able to maintain my place in an elite prep academy where everybody was havard, stanford princeton bound. i knew i was not going to be going to an elite academy. seth knew my burden. seth made that -- >> host: but you would visit him. >> guest: he visited me and he said i need to take you on a walk. just sit down. he took me on a walk around the street in santa monica and he said, and this is when i was utterly wayward. he said i have seen your future. it is this thing called the internet. it works the way your brain works and at that point i had been diagnosed with adult add and i had tried ritalin for about a month and i hated it. i felt hideous about it. .. >> coming up next, booktv spent the day at the literary festival in illinois. watch our coverage fro