There will always be a rematch, so long as Raph keeps losing. Some day he'll win it. Some day.

"Bet's a bet," he grumbles, fiddling with his elbow pad so he doesn't have to look at the smug look on her face. It'd only piss him off more. "Just show me what I gotta do."

He'll be sore in the morning, but he's suffered through way worse. She doesn't need to patch him up every time he gets a bruise. That's not how being a tough guy works.