He doesn't actually have one (probably), but they're being assholes right now. At least he doesn't move away, but --

Yeah, he totally looks at Xanxus with a clear oh shit expression on his face when he realizes what he's just done, and probably doesn't breathe for a moment or two -- but then it seems the danger has passed, and he sighs, sinking back into the couch, still frowning but a bit less fight-ey now. Which means he'll actually stop himself from elbowing Xanxus for that addition.

"Like hell," he grumbles. "I'm very happy with my dick, thanks."