No, I totally get you. I had the same thoughts after posting. I think it's some hard-to-explain difference - the same way one fic with a fifteen-year-old and an adult might be skeevy, while another one won't. It's hard to pin down, for me at least, but it does give me the creeps. Maybe it's the whole "heh heh she was promiscuous and came onto him" when she was TWELVE. As if her being promiscuous that young (and I do know that it happens) meant that she was somehow able to make responsible adult decisions about sex and thus it would be okay for Indy to take her up on it instead of saying "No." (To quote Hailey in "Hard Candy", "Just because a girl can imitate a woman doesn't mean she's ready to do what a woman does.")