[ security agent ] right. you never kick off with sales figures. kicking off with sales figures! i'm yawning. i'm yawning some more. aaaaaaaand... [ snores ] i see your point. yeah. [ snores ] [ male announcer ] we understand.® you need a partner who delivers convenience. next time use fedex office. >> larry: the late lenny bruce, very funny guy, once said there must be a good side to drug addiction, or else why would so many people take it, if they tell you it kills you and you run down to the store to get it, or steal it or do whatever you can. how does the brain deal with that? why would any brain -- person with a brain sniff cocaine? >> there's sort of two answers to that question. one is why you start using it and why you can't stop using it. >> larry: let's start with the start. >> the starting is you're