Woah, Remus? Wait, did you just say that two of the Marauders are here? As in, actually here? As an Auror, I say to thee, the war can wait for a few weeks. Because look at me. I exist, so Voldemort didn't succeed, and I have every bit of faith all versions of my father would've succeeded.
Besides, sometimes you need to take a step back and have some fun.