As Neia (MTS) has not updated her fabulous no relationship culling mod any longer, I made this very simple mod to prevent relationships of played Sims to be culled unless there are more than 350 (previously 35).
Plenty of wall stuff that you can look at that don't look too thrifty but will make your sim pop, lock, and drop it. This wasn't my best description lol •Plenty of Paintings 1-5 • Pop_Locke Posters 1&2 • Thrifty Mirrors 1-4 • Tryptick Limerick 1-3