With the tree, I'd be fine with either. If it's at his, it would be their tree, but at the Hastings would be beautiful because it's a family moment, and their including him would be perfect.
They suggested that we'll see Thanksgiving, so it's possible that we could see him having dinner with them, and I would love that!!!
Talking about Radley is always going to be necessary for me, tbh. I need that conversation. I think we're meant to assume it's already happened, though
Should I add these to the list in the OP?