Neville struggled to remain calm at George's last pronouncement, which was very difficult when one was mostly transformed into a boy-sized canary. He'd never met a spell whose effects hadn't had some remedy, even if the wizard was less than proficient - he'd made mistakes of his own enough to be sure about that.
If he ended up in the infirmary, he'd miss Potions tomorrow, maybe, and that would be something to celebrate.
"Alr-r-right," he said shakily. "If you wake up Fred right away and try to fix th-th-this, I'll tell you."
He didn't want for George's agreement, for Neville knew his housemate well enough to understand that his curiosity was purely academic - as near to the Weasley twins seemed to come to it - and not cruel.
"My arms and legs feel really funny, sort of... light? But I still feel like me more towards the middle."