You can trust me.

[he'd like to say he doesn't betray his brothers but that isn't true.]

But you should know I wouldn't hurt her, even if she wasn't in love with you. She's special like you said, and I care about her. I know you won't hurt her either so I won't say anything about that. And you won't hurt him, because you know I would never ever forgive you and I can be a nasty little bastard.

[Then he grins, bright and happy.]

I'm glad for both of you. When are you going to have babies? Joke! Joke!