"I would be insulted if you did not." Nina going to face danger without him? She better not try.

He has no real scale of how hard a woman should hit, but he's seen her fight, and he knows what to expect. She doesn't manage to break any of his bones, but he would applaud her effort.

He'd landed hard on his back, taking a moment to catch his breath, panting with what might be laughter. "You're going to have to teach me that one."