Andrew nodded, because he trusted Jack - it was everything else he distrusted, gravity included. And crap, he couldn't back out of this even if he'd wanted to couldn't even voice his discomfort at even getting on the damn broom because Jack was smiling at him like that.
He took the broom reluctantly, feeling the heft of one for the first time since he'd left school, and then gingerly straddled it; yes, his feet were definitely on the ground. "There, is that it?" he asked, hoping without hope because he knew this wasn't enough for Jack. He could already feel his heartrate creeping up.