"Ah." Robin slid a hand onto Hermes' thigh. The fact that he was already squirming was more of a challenge than he could resist. "So you do realize that it's a semblance of fidelity, then. I was about to be incredibly charmed by quaint mortal notions of what is intimate sex and what is not."

He whispered into Hermes' ear. "I thought maybe you could just explain to him that when I fuck you so hard you scream my name that it's not about love at all... but no, I see. You're giving up my cock in your ass for relationship lent."