[ what a coincidence, because it just so happened that ] I know how to take care of a horse, [ he says, so innocuously. so innocuously and casually, if not for how obvious he is as he gazes at her. he offers his help as if there's nothing more he'd rather do. ] I could teach you.

... Along with the many tomes of detailed instructions you'd use for research, of course. [ he is using what he knows about her, and he's using it right now to tease her. ]