1.) More relationship options in CAS
2.) Some kind of "toggle" that flags individual sims as family or family-like. Specifically something using the same mechanic as Parenthood's "adopt as caregiver/dependent." Most of the time I don't want in-laws potentially hitting on each other but sometimes I love a good scandalous drama. However, usually the behavior just doesn't fit the sim in terms of their personality & relationships and it's just the sim's AI being dumb. A way to opt out of romance interactions for my playable sims would be great.
3.) Refining of the romance/social system. A sim having two romantic interests simultaneously isn't cheating as they are NOT committed and shouldn't get the "caught cheating" debuff when flirting with one in front of the other. I can understand the other romantic interest getting sad/feeling neglected and maybe some tense vibes in the air/convo if they interact right after that but it's NOT cheating.
4.) Some kind of "loyal/faithful" trait that would dramatically lower the chances of someone that isn't their spouse trying to successfully interact romantically with them, someone with the trait would get heavy debuffs if they did cheat, and if you tried to get a sim with this trait to leave their spouse, the odds would be very low or require a VERY high relationship bar.
5.) Polyamory/open relationships. I like the "Free Love" NAP but it being exclusive to ONLY the neighborhood its active in and not being able to select individual households to omit/partake in this lifestyle is frustrating. I am not against the Free Love neighborhood NAP as a concept, but it feels not enough and I'd like more specific customizations of specific sims and their relationships. From what I understand, a household in Free Love neighborhood visit another neighborhood together and try to romance freely and it won't fly and get jealous/count as cheating; that's lame. I like the idea of a neighborhood of a bunch of swingers, but that behavior exclusive to that neighborhood only is silly.
