They should freak you out.. NEVER trust a wild animal, no matter how "tame" they may seem...
I was watching a show not too long ago about these Chimps they kept housed somewhere in Africa or somewhere like that. One had escaped from a locked building... Took them a while, but they found her, but you could tell how cautious and fearful they were of her, even though she seemed tame, and wanted to hold their hands while she walked with her...
My crazy bird that's been around humans all it's life.. years and years is still a wild animal, and he reminds me of that every now and then when for a split second his brain disconnects, and I have to pry his beak off one of my fingers and go patch up the holes.. .even though he loves being petted and attention.. I could tell you strories about a huge snake I had, and when people would bring their small kids over.. .it really made you realize what instincts were, and kept you on your toes..