
Custom Relationship Bits is a Sims 4 mod that adds new relationship dynamics and interactions between Sims. It expands the way Sims perceive and react to each other, making relationships more nuanced and realistic. One of the key features of this mod is that it adds new custom relationship labels beyond the base game options. It also allows Sims to define relationships in more specific ways, like ex-lovers, complicated relationships, and secret crushes. If you want deeper storytelling, this is the mod to get.
Follow these steps to install Custom Relationship Bits on your Sims 4 game:
Download the mod file from the link above. Sims 4 mods typically come as .package or .ts4script files.
Open your Sims 4 Mods folder. The default location is: Documents/Electronic Arts/The Sims 4/Mods
Place the downloaded file directly into the Mods folder. You can organize mods into subfolders up to one level deep.
Launch The Sims 4 and go to Game Options > Other. Make sure "Enable Custom Content and Mods" is checked.
Restart the game if it was already running. The mod should now appear in your game.
Important: Always back up your save files before installing new mods. After Sims 4 updates, mods may need to be re-downloaded or updated by the creator.
Platform
The Sims 4 (PC/Mac)
Pro tip: If a mod stops working after a game update, check the creator's page for an updated version. Broken mods can cause the game to behave unexpectedly.
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Created by
Expanded Bits 83586300
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Published
December 19, 2025
Source
MustHaveMods.com
Last Updated
August 16, 2026