There’s never a good reason to maintain contact with an ex, unless they owe you money. Even then, it depends on how much money we’re talking about.
Hey, have you guys read The Adam! yet? It’s about superheroism and slack and it tickles me in special places. There’s about 60 or so episodes in the archive, so it’s still early days and worth a gander if your sense of humor is anything like mine.
They are all pretty swell.