Quoting Chamorrita momma:" If your SO had photos of them and their "ex" all over their FB. BUT here is the thing, that person was ... [snip!] ... of them when they were together on their FB? Probably not much of a "debate and discuss" kind of question, but carry on... "
I'd care less knowing that the ex is dead. I mean, it's worse for you because it's likely that he's still in love with her and probably thinks all the time that she was his soul mate, but it's not like he's going to cheat with her. KWIM? So you kinda gotta let him do his thing IMO