He smiles, just slightly, and leans forward to rest his forehead against hers. Like this, it's as close to a kiss as he can get without doing it- when that doesn't feel right, not yet, when he suspects she may only just have realized how he feels about her.

This way, he can close his eyes and feel her against him, breathe her in and rest with her. It's comforting when he didn't even know he'd needed it.