Jealousy is a gameplay feature in The Sims series. Jealousy occurs when a Sim who has for another Sim observes their partner engaging in behavior. When this happens, the Jealous Sim becomes angry with the partner, often to the point of , and the jealous Sim's relationship with the partner is severely harmed. Additionally, a jealous Sim will also become angry with the Sim that the partner was romantically engaged with, and the relationship between the jealous Sim and the other Sim is also harmed. . Jealousy is a gameplay feature in The Sims series. Jealousy occurs when a Sim who has romantic feelings for another Sim observes their partner View Mobile Site. Express your creativity as you customize your Sims’ distinct appearances and unique personalities, giving them traits and having fun with fashion and .