Remus put down the bottle of cleaner at that and turned around. He was willing to listen to many things, but Sirius dragging you through the mud wasn’t one of them. Remus was the one friend that came to your wedding to Regulus. He was the "one friend" that supported you through everything in your life. While he didn’t always care for Regulus, Remus knew that Regulus was the one thing that made you happy so that was enough for him.