Tony quirked his head in a leisurely affirmation. The closeness, the skin, the breath--they all brought questions Tony had long been mulling over to the forefront of his mind.

The thickness of his skin hadn't felt different, nor did it feel rougher, so how durable was it? How long would his digestive system take to process all that fat and protein? Thor's metabolism in general had raised some interesting questions all night long in and of itself. There was a theory that body size and metabolic rate affected the perception of movement and time. How true was that for a race so long-lived as the Asgardians? Even as Tony got older, a veritable embryo in comparison he was, the days seemed to blend together.

"A little more wrist action. Really get those blood vessels pumping." He simply smiled. "Please and thanks."