Blushing all the more when his shirt was tugged off the man seemed suddenly nervous, being shirtless in front of the two. Especially with what he could hear them whispering to each other. He was hard and it was a strange sensation - one he didn't often feel. Especially not to this degree. Sure he'd wake up with morning wood like any man but this was different. This was from careful touches of lips to skin to try and arouse him.
He exhaled a little shaky breath as Pepper was suddenly naked before him and licked his lips, glancing down to see what exactly Tony was doing to Pepper with his hand.