[Well, he still seems agitated, but not overly hostile. Always a bonus, and Connor's posture relaxes a little both due to feeling more confident and to purposefully appear nonthreatening.]

The adrenaline rush that comes from destroying something is likely being counteracted by the resulting exhaustion. Perhaps you should rest, and break a different radio tomorrow.

[It's not flippant, just matter-of-fact, although Connor does recognize that there's some inherent ridiculousness in it. But it's also the truth, and he really is somewhat concerned about this human exhausting himself too much; he doesn't look all that well.]