Anthony Edward Stark

"I know," he says absently, taking the condom from Tony and eyeing it like something he hasn't seen before, then gets on with proving that he has in fact seen and used one before. It's just been a very, very long time.

He's briefly silent while he treats this like a life-or-death application, then slides down into the water and groans with unfeigned pleasure for the rush of heat and return of that almost addictive relaxation before he reaches for Tony again. "Now you know that I've been subtly coming on to you for years."