I think they definitely bond with humans. I mean, what other reptiles can you think of that will lie on you fast asleep with their eyes closed? When I put my hands up by the glass, they lick the glass. When I pick them up, they cuddle into my neck. They eat out my hand. When I try to put them back in their cage, they hold onto me for dear life and refused to get off my arm... All those things make me believe they are bonded to their owner. I think you just know..