"What's the matter, Mikey never tell you about the birds and the bees?"

He doesn't want an answer to that. He's aware Raphael knows plenty about sex - at least just about the mechanics of it. He's wary, though, of pushing too far on this topic: he doesn't mind his brothers thinking him odd, but he doesn't like the thought that they might be genuinely disgusted. Lucifer had seemed to be, and that gives him some pause - not about being promiscuous, of course, he wouldn't let that stop him, but just about bringing up the topic around the more traditional of his family.

"Fine. Not my fault you've got Victorian sensibilities."