He tilts his head, shrugging his opposite shoulder, the one he's slung his sword on and the one farthest from Dirk so he doesn't accidentally hit him with it. "See, this is all pending that you can still beat me." He can. Dave knows it, Dirk knows it, but Dave is trying to take the conversation to normalcy. Bring Dirk back to the trash talk not the trash his brother talk.

Other than that, Dave is quiet and follows Dirk's lead into the open and also into the lack of their relaxed manner of speaking. "Maternal instinct, I get it." Have that trash talky fun as well. Wait until he hits him with the 'You're not my mom' technicality.