Sirius looked at him curiously for a moment, and then laughed. "I've had as many women as men, in my time. More, actually. Don't quite get how anyone can not like both. And yeah, Tonks was -- is -- my cousin. Well, once removed -- my cousin's daughter. We were carrying on for a while, but the time Harry walked in on was the first. A comfort fuck, really, when we were both frightened and upset.
"After that.... Well, we had another lover in common, and he enjoyed us together. And when he went on the run, I kept her company and helped her with her kids; I'm good with babies." He nodded at Harry, and smirked into his glass. "Got a lot of practice with this one."