Managing Household Relations And Incompatible Personalities

here are a few more challenges to consider once you start adding multiple characters to a household. 

When two people are at the same location they have a chance to interact. They'll decide on a semi-random topic and depending on their preferences will improve or reduce their opinion of each other. Some examples would be:

• Person A dislikes and Person B is allergic to hygiene -> Good conversation, they're both averse to hygiene
• Person A likes and Person B dislikes the outdoors -> Minor bad conversation, they have opposing feelings
• Person A is addicted and Person B is allergic to authority -> Terrible conversation, they are complete opposites

"Dull" characters will tend to get along fine, but once you start putting "Unhinged" characters with opposing views together then the chance of getting a dysfunctional household increases.

You can tell two people to avoid each other, but this comes with the side effect of increasing potential anxiety over time.

To counteract the anxiety, your characters can then attend mental therapy sessions at the hospital.

The opposite is also true. A household with members that get along will increase the chances of a stable household which will improve everyone's happiness.

Other Household Effects

As your net worth increases, your characters won't be satisfied living in a shared apartment forever. They will start demanding more floorspace at home.

A person who loves prestige will demand more space, while someone who hates prestige will be fine with less. Larger households will demand more living space sooner. Ignoring their demands will increase the chance of gaining the wistful status, which lowers happiness.

To end on a positive note, more people in a household means more earnings before needing to pay tax!