So I think the “mourning” system is goofy and kind of inappropriate. This is what just recently happened is a vampire, that neither of my sims knew, was breaking in to suck their plasma while they wer...
I don't play any supernaturals, but I still might just click away the mourning moodlet (UI cheat). Playing rotationally just 1 day per house per year, there is no time for mourning unless it is part of a story etc.