It's one of those moments where Colin really wants to kiss him and can't because it was weird the first time he did that and they're still not together. So he smiles instead, and melts a little, though only he knows about the latter.

"Thank you. I'm just...scared of...I don't know what. Memories. And I guess I'm scared it's going to happen and you won't think I'm attractive anymore. Last time, I wound up crying in her arms, it was a mess, but I don't want to spend my whole life not trying just 'cause I'm scared of that happening."