[The new position makes Tristan look up, horrified at the direction this is going. Has been going. He's too messed up to try telling himself maybe it'll stop with this, that maybe Ariel's made his point. He's just trying to brace himself, catching his breath in a painful hiccup between tears and gasping.]

Ariel you're my brother.

[For all his self inflicted denial Tristan isn't stupid, he's scared. He's too scared to tell Ariel to stop.]

This isn't something brothers do.