[ he actually has enough shame to feel a little embarrassed, though it's hard to tell if it's genuine or not. ]

I never imagined I'd be scolded by you. The feeling is a little embarrassing. [ It's usually him doing the scolding... ]

I just didn't want my skills to get rusty. [ So truly, don't waste concern on him. ]

But, speaking of skills, I didn't know you were the serve and protect type.