You can easily check the happiness of the Sims in your housing individually by going to the Government tab. Taking the time to listen to requests and tapping on thought bubbles may sometimes reward you with special items that can be used for expansions, upgrades, and disasters.
Always have enough service buildings to meet the demands of all residential buildings.These will give you hints about what they like and what they need.
To keep your Sims happy, there are a few key guidelines you have to follow: Abandoned buildings may be repopulated once you’ve met all their concerns. Unhappy Sims on the other hand will be forced to move out of their homes, abandoning the building. Happy Sims will pay higher taxes and will influence residential building upgrades. Your Sims’ Happiness is the most important factor when it comes to your city’s progress and development.