Remus
So you were what? Halfway between your human and wolf mind while transformed? The Wolfsbane is meant to let you retain your humanity while transformed. What the Hell is Snape doing to it? Does Dumbledore know? Next month we'll be there.
They met literally minutes before they went off to Egypt and ended up married. She's sweet yes, but seems very rational and doesn't like emotions. It might end up being the perfect balance for Sirius, or they might end up hating each other.
You really don't. We're his best mates, and at the very least we need to be a buffer between him and Regulus, if Regulus ends up attending. Their relationship has imploded over this, and I'm not sure it can be salvaged at this point.