Severus' eyes narrowed. "It's meant to feel--" What if he was wrong on that? What if the pleasure wasn't mutual? What if Sirius made sport of him because he was afraid of a little pain?

Obviously it would hurt. It hurt for women so it only made sense. And Sirius was so very...

Severus sighed and dropped onto the robes on his hands and knees. He was still wearing his school shirt, which did nothing to hide him in this position. "Just hurry it up. It's getting late."