James loved his family, but it was even better when he got the chance to speak to people he wasn't related to. So when he saw Oliver, he went over to talk to him.
"And my parties are the best, although you're getting the family version," he said, grinning. "So I hear congratulations are in order, Mr. Quidditch Big Shot." He couldn't imagine a more suited job for Oliver. "Was that your Christmas gift to yourself?"