[He's momentarily puzzled by the way she talks about humans as something other than herself, but it's an easy solution for him. She is descended from humans, and therefore, as far as his programming must be concerned, she is human, and it's simple enough to slot her away into that category. It's still an interesting puzzle, though. How to sort out the First Law in a case like this?]

I have noted that humans often fear change. It is unfortunate, as often strong emotions will cause them to make unwise decisions.