I bet you would read and fall asleep against me.

[His tone is joking, but there's also a definite tone of fondness in there. He wouldn't mind her falling asleep against him at all, especially since books are entertaining to him and having Estelle there would be a huge bonus to him.]

However, you know that if you're with me that's enough for me, right?

[One hand is still caressing her back while the other goes to cup her cheek, then tuck her hair behind her ear.]