take a dive while i've still got my drive to survive
All the things she knows are what's really important - even if she only figured them out with that Ouroboros stuff a couple weeks ago, and even if he himself is damned reluctant to admit it. All the stuff she didn't know, she doesn't need.
Sex. Babies. Who gives a crap?
She needs her head on straight, and she's got that. She's got friends - everyone she meets, unfortunately for him. More: dress sense, laughter, a good appetite.
Maybe just someone a little older, if not actually any wiser, to bust her balls from time to time. Sure, he can do that.