Well, he got a decent blowjob or two. And now he's both (name) and Daddy to daughter, which they're beginning to work out. It's currently both proper father/daughter relationship being complicated by lust beginning to pop up by both parties.
Psychologically it looks interesting. As a good father he wants to protect his daughter, but at the same time, as a normal man, he wants to fuck that fine young woman that his daughter has turned in to. The conflict between the two is raging inside his head, and similar is happening with his daughter.