If you are used to drinking coffee, what happens if you stop?
You will have some side effects. Some of the side effects will make others around you suffer as well as you because it can cause you to have depression and irritability. You may have headaches and lethargy as well.
Cutting back can cut down on panic attacks, be better on your teeth, help with heartburn. Cutting back does have benefits but you may miss out on the boost you get from it.