If your Sim observes their partner engaging in unfaithful behavior with another Sim, they’ll get furious at both the cheating partner and the Sim that their partner was cheating with. If Sims fall prey to fits of jealousy, their relationship with their partner is severely harmed. Depending on their other traits, they can also get mean to other Sims. Jealous Sims will often get angry to the point of fighting. Let’s talk about jealousy in The Sims 4 and how jealous Sims behave.Ĭan my Sim get jealous? Sims can become jealous if their romantic feelings are not shared or they suspect or learnt their partner is unfaithful. Ah, jealousy! This interesting feeling you’re experiencing when you’re not getting enough attention from the person you’re romantically interested in.