"I am reasonably perky." He mumbles into Bull's shoulder. "An acceptable amount of perk, that is what I have. Anything more is excessive."

Being proud of himself for managing that much through the fog and warmth is probably a sign that his perk is in the negative. That he has a debt of perk. He is owed more than a few perks and has none to spare.

"Is that not what I am doing?" Here is as good as anywhere. No, it's better, because it has Bull.