Hi, not sure what to do.
Had a fallout with a buyer a while ago when he returned an item. I left him some negative feedback (I know you're not "meant" to but in the description I was honest about what he did) - he's just seen it and sent me a vaguely threatening message saying he "loved" my feedback and wishes he could leave me similar feedback too but since he can't (it's gone over the time limit) he believes in karma and "she will do that job for me." The message ends with "Bye".
I wouldn't care except for the fact this man knows my address and lives in the same city. I know I could be reading too much into it but tbh it's really freaked me out.
I'm scared even posting this tbh in case he somehow stumbles onto it and realises it's him.