He doesn't know.

[Which means it's the latter— but she should tell him. She doesn't even think he'll be upset, necessarily. It only makes sense that she couldn't wait around forever, but some part of her feels like she should have.]

I'm not planning to keep any of this from him, it just... hasn't come up. There's been a lot of catching up to do. I don't want to heap too much on him at once. The fact that he's here is a lot to handle all on its own.