He doesn't. Not because of her, but because everyone always expects something in return. His family expects money, or safety, or a chance to keep their lie from being boring; the people around him expect obedience, a puppet who will let himself be moved in the way that will benefit them the most.

Everyone always wants something. Even if she doesn't know it yet, she wants something in return.

But he does want this. This time, there's no protesting, no shyness about taking what he wants. So he just nods, not really answering her implied question. "Then yes. I want one."