You can equip and remove traits very easily. How to Cheat The cheats console is visible.

Although you probably found this page there, my site does feature an extensive list of Cheats in The Sims 4 if you would like to learn more. Here is a list of all traits in The Sims 4 and the codes you need to equip them. Traits often provide bonuses or penalties of some sort, and it may be desirable to remove them. The Sims 4 features many Traits beyond those found in Create-a-Sim. The Sims 4 Trait Cheats Personality and Reward Trait Codes Trait Cheats can let you equip dozens of abilities to your Sims, increasing skill gains and unlocking unique behaviors.