I identify with Remus. He is acutely aware that he is different, and has learnt that this is not okay. He spends a lot of energy trying to fit in, to hide the fact that he is different, but ultimately he can never keep it up for too long before people start to notice. Because I identify with Remus, I don't often write him. I have to be in the right frame of mind. Writing fiction is escapism, but writing Remus means drawing on the things I'm trying to take a break from.

I love Sirius. I love his charisma, his enthusiasm, his loyalty, but mostly I love his flaws. I love that he is flawed. He's an absolute tosspot sometimes, which is why he's so much fun to write. He's not afraid to speak the truth, or run in all guns blazing with only half the facts, which can make him a great plot device.

I believe that Remus and Sirius didn't get together before Azkaban, but there was certainly a lot of UST there. If they were properly together, I don't think Sirius would have suspected him of being the spy. Remus trying to deny his feelings, 'for Sirius's sake', could have made him seem shifty, like a rift had formed between them and Remus was drifting away. I think Sirius made the first move, because Remus doesn't think he deserves love and happiness and also wouldn't want to be a burden to anyone he really cared for.