To him, she's like a pet at first. The encounter in the woods, from his perspective, was like finding a stray farm animal that needed to be taken care of.
And he has his own way of taking care of things.
As for Lilian, she needed food and shetler, deciding to play along.

...This stupid drawing is still funny years later I must admit, even in my lowest points this still manages to make me smile a little.