I love coffee. I love caffeine. I love nicotine. Probably I would love amphetamines, cocaine, and crystal meth. Stimulants are fun, but over time they can cause some huge disturbances in dopamine brain system function. It doesn’t take much synthetic stimulation to replace the smaller dopamine highs that come from anticipation of positive events in your life. If you’re struggling with meaning in life, you might try reigning in the use of stimulants.