"Weird Sisters honor, mate," Gideon said, invoking the rare oath that had been a joke early on, but meant he was really serious. "The girls dorms don't let the boys in. Boys dorms never had the same wards set up on them. Ask Ainsleigh." He couldn't help a little bit of a grin though. "I can not believe you went seven years and never even THOUGHT of it. Are you SURE you were in Ravenclaw?"