"Well, that's good because I would make a lousy sister for plenty of reasons." Though he's lacking the context of that reveal. He doesn't know that his sisters have always been a topic that triggers for him or even that they're not alive anymore. For all he knows, they're just ... still on earth somewhere.

Still, he'll listen to the kids assessment and nod his head. Damn right they can do what they want. Who the hell is going to stop them?

"I'm never going to call you bro. You do know that, right?"