"Yes," Billy was quick to confirm, "It is, but um...sometimes you might get sad for...a long time. Or for what seems like no reason. Mom helps people work through that. And a bunch of other stuff too, but...I mainly know about the depression stuff from personal experience."

He grinned, and nodded, glad to feel like he had a partner, though he still felt a little strange taking the lead. "Perfect. That'll help a lot. Hopefully we never need it, but if we do..."