"All right, well...other than that, I'm not sure what else I can say to you." If she wants to take over, pick up his generous slack? That's her choice. But it's not only her choice, and there's nothing he can do about whatever happens next.

(Don't think about what might happen if the choice comes down to it, because he already knows the outcome. It's an obvious outcome. Why wouldn't they choose to live with the woman that raised them?)

"I'm not a parent. I've literally never done this before in my life, so if you want to tell me I'm doing a shitty job of it, fine."