Two Sims can dislike each other, they can be enemies, and they can even fight physically. However, the game lacks the nuance to depict a complex abusive cycle. In the base game, if a Sim is mean to another, the relationship bar drops. If they are nice, it rises. In reality, abusive relationships are rarely black and white; they are defined by cycles of tension, explosion, reconciliation, and calm.
These mods typically move beyond standard "mean" interactions to simulate systemic psychological patterns: 5 Must Have Mods for Realistic Relationships in Sims 4
However, major mod hosting platforms disagree.
Options for Sims to punch, kick, or physically assault others.
Ultimately, the responsibility falls on three pillars: