[ For as short a time as he's known her, Spike's realized one very important thing about Dawn — she's smart. Sure, some of that knowledge comes from being from a future he has yet to experience but that doesn't really make that big of a difference. Everyone else is ahead of him too and they seem just as daft as always.
At some point, whether it's in the present or some distant event in the future, Dawn has seen through him. She understands him better than he ever allows himself to, and that is a scary thing — a terrifying thing that requires some kind of trust or it'll all go to hell. He can't deny that right now, with the way things are... he does trust her. Maybe part of that is because she seems to trust him.
He takes a step closer, hand moving up to rest lightly on her shoulder. ]