when a male chimp stands up right with his hair brist ling, he is about so big, they are extremely intimidating creatures. >> it seems like a real challenge to have put yourself in their world. did you see it as a challenge? >> i saw it as just my dreams come true and there was a strong, you know, because everybody laughed at louis leake and told him he was stupid and everything, so i really, really wanted to prove that that he was stupid and i wanted to do it. >> what do you think he saw in you? >> i don't know. i wish i was alives alive. i think he saw somebody who was very determined and who wanted to do exactly what he wanted somebody to do. >> were there sacrifices you made in your life in order to do this work? >> well, it didn't seem like sacrifices to me. people say what about family life? we have very, very close family bonds. i still do, you know. so, i had moon son with me until he was 12, all the time. >> how did your family see the work that you did? what did they have to say about it when you first started going in to the jungle and hanging out with chimps? >> well, my mother came