Tense is an emotion available in The Sims 4. It occurs when a Sim engages in mentally frustrating tasks, or has a low Fun motive. Ambitious Sims may become Tense if not promoted. Sims get Tense when reading a skill book that is too advanced for their skill level. Working Too Hard at work also has a chance of making a Sim Tense. Fires can make Sims Tense. Sims also get tense if a toddler is crying or having a tantrum. A Sim with this emotion can progress to feeling Very Tense. Carefree Sims cannot be inflicted with any Tense moodlets, and thus, the emotion itself.