He's quiet for a moment. Armstrong hasn't dealt with actual teenagers, at least ones that weren't fawning over him, in a good while. It's taking him a moment to remember how this works.

Whatever needs doing, it's pretty obvious that she's got energy to burn and this outlet isn't doing it for her. So, well. He can at least offer. "I saw you going at the punching bag earlier. Interested in blowing off some steam with some punching mitts or an actual sparring session?"

If anything, it'll take her mind off of... all this.