Sirius made a face, because really everything was so weird now.
"Is it meddling? Yes. Should you do it? Why not. But I also know that's not what you're here for. Come on Prongsy, you look like you're going to actually explode. What's on your mind?"
It suddenly occured to Sirius that it could be bad. That James was beating around the bush because it was yet more terrible news and he knew Sirius was hanging on by a thread. But no, he didn't have his bad news face on. It was a face he recognized, but couldn't quite place. James had news, and it wasn't bad news, but it wasn't chocolate volcano news either.
"If you don't tell me I'll just guess. And we both know how that will end up!"