"I look forward to it. Let's try not to injure eachother too badly." Pause. "I'd hate to have to break your neck, you know."

Actually, there's a chance he'd enjoy doing that (they're both acutely aware of eachothers' issues with, in effect, eachothers' tribes), but the problem with things like that is you can only do them once and then you need someone else to train on.