"You're my brother too, Pads," James said, eying the bottle again. Maybe it was best to pause the drinking for a minute; neither of them had thought of hangover free potions before embarking on this drunken exchange of feelings. "That will never change, no matter what happens with Regulus."
It had always been a contest which of the two of them was most stubborn. He figured they were about even in their sixteen year friendship. However, James could also be patient. He wasn't giving up in his quest to make sure Sirius had no regrets about his relationship with Regulus, but he did know when to take a break.
"I'm a father, I always worry these days," James said, and decided Hell with it. He poured another round. "But if you want me to shut up about this, I will." The 'for now' went unsaid.