Fred didn't like where this conversation was going, and it showed across his face so clearly he might as well have said it. Fred would support their dad in about anything, really. He'd always been brilliant.
And Percy had always been a git. Fred didn't buythat Percy thought they were brilliant - even if every rational person DID think they were brilliant. But he did know that if he wasn't a complete hypocrite, there was only one answer he could give to that sort of question.
"You're my brother," He said after a minute, shrugging tightly. "I can think you're wrong without wanting you to disappear, you know." So could dad, come to that. But he'd pushed that button enough.