He gives up at least three buttons from the top, this is too many. It's not like the arc reactor bothers Pepper so why bother covering it up? He goes to the coffee pot and pours an overfull cup, sipping some off the top so he can pick it up without spilling it. "Thank you?" Is that a thing, sure. Why not. "This is probably the most action it's seen all year. I can't even fry an egg without burning the house down."