I don’t like getting rid of things that aren’t mine, so things like this happen when I’m packing:
Me: Hi, I still have this, maybe you want it, or maybe the kiddo does?
Ex from teens/early 20s: Nice! Yeah, send it!
I also still have a friend’s slip-on shoes from her 2005 wedding because it’s always, “oh, just hang onto them, next time I see you…” But I’m mailing them… These things have been to three states with me, and this move is a big one with limited space so… No further!