"I asked for berry crepes, with fruit on the side. If that sounds good, we can both have some - it can't be hard to make it for two instead of one."

It also helps her mean what she said, about relying on each other. Saying in so many words, I need you there when it will be difficult. Allowing him to be there, the way he wants to be, and entrusting him with herself in a moment like this. Promising that even if he'll worry, she'll take care of herself, as long as it's allowed. It's a steady building up, piece by piece.