"I know." But that didn't mean he could just stop feeling bad for everything Remus had gone through. That's why he was sorry. He was sorry that the person he loved most was in some kind of pain. It was their world's fault and everyone there who let things continue to happen that way, or started it from the beginning. That's why Sirius wanted to stay here.
"And I'm not going anywhere," he added, straightening his head until his temple could rest against Remus'.