"Which grandmother would that be? The one that killed Bellatrix or the one who the best legs in the wizarding world?" he asked with a grin. "Besides, who better than to teach the Headmaster than the person who never got caught."
James laughed. "But you'll have to or you'll have about forty Weasleys asking for that spell, and then how do you keep it a secret? Besides the rules are clear, you need a broom."
He raised an eyebrow. "A referee is required to pass a lot of tests and needs to prove that he can play Quidditch, which means you can play, but you can always referee if you like. You dislike all people present, so you can't be accused of favouring anyone."
He grinned. "Yes, well, I will try to get him out of the house in the morning, but keeping him there from ten to whenever we finish playing might be a hardship. Come whenever and stay as long as you want. Food at 2:30, or so I'm told. Teams are made at 10."
James snorted. "You're very happy." Or as happy as he'd ever seen Severus be. "This is going to be so weird, you and Al, Regulus and Remus, and I'm not supposed to tell people. They won't even let me tell anyone, how boring is that."