There was an almost comical pause.

"I'm not good with teenagers," he said flatly.

Completely and totally true. Despite the fact he'd raised and mentored a few, nevertheless, completely and totally true.

At the very least he seemed to have decided to trust Zatanna's judgment.

"Zatanna's already tried to talk to him and I doubt he'll trust any of us. He's already had people from our world trying to entangle him in conflict." He nodded towards the others. "It'll have to be one of you."