"Because the last thing the world needs is more gloomy," Calvin said ungrammatically, without really pausing to think about what he was saying. Being called princess didn't improve his mood any either. "Just look at it--" he pointed back toward the door, where the rain hadn't slackened any. "You can't get away from it." He felt that way about a lot of things lately, like he'd just like to get away, which intensified his feelings about rain.
He wrinkled his nose, either at dancing in the rain or detentions -- or both. "It's not too late," he said nevertheless, completely willing to encourage rule breaking. But he took Roz's question as encouragement to go to class, however she meant it. "Yeah," he said, twisting back to look at the clock with a sigh. "Can't hang out in the hallway forever." They'd been lucky so far, but someone would come along and notice and shoo them to class eventually.