"Until you're tiny and your sword's too bloody heavy for you to wield properly," Porthos retorts after parrying. "Then it's not like having a hand at all." He lunges in for another attack after giving them both a moment to gather themselves, although it wasn't as if he needed one, but Aramis is struggling with his balance. It's not going easy on him so much as giving him a fair shot, and giving him the best shot at learning better.