- Sims created before the update are default monogamous but can change their preferences through conversations with other Sims.
- Jealousy triggers for Sims include non-physical romance, physical romance (excluding WooHoo), and WooHoo with other Sims.
- New Sims created after the update default to monogamy unless settings are changed.
- Townie Sims have randomly generated default boundaries.
- Setting a Sim's boundary to no jealousy may still cause a reaction based on their Personality Traits.