into treatment was methamphetamine but that almost destroyed my live. >> what was rock bottom. >> rock bottom was one day i was at a motel. and i remember sitting there and i had no shoes on, no shirt on, just got locked out of my room and the crazy part about it was that still wasn't -- but i got it at that point, you know what i mean where something was wrong but i couldn't quite click it in my mind. the day it finally clicked in my mind was the day i was in treatment an locked me in a four points and i had two straps on my feet and arm and put me in a diaper and that's when i realized that something was wrong and this was a far cry from willis jackson. >> the relationship you had with gary coleman was a really extraordinary one. incredible chemistry and yet reading the book you fell out with him on the show quite. >> third season. the third season because after his father came down, things changed. gary -- in the very beginning was a great kid, sweet, got along with everyone and then if you -- he's declined after his