One word: Boobs.
Two words: Don't touch.
So that growth spurt last week has already given you a shape you've never seen, and your partner might be paying extra special attention to you and those expanding body parts. The problem, though, is that they hurt. They really hurt. And they might just be a hands-free zone for at least a few more weeks.
You can think of this as perhaps the first of many ways in which you will become less available in the next few years. But you don't have to tell him about that. Not yet.