Our physical and mental health are trained to respond to certain situations or scenarios. Just as you may find yourself suffering from a hasten heartbeat or sweating palms at your next meeting when all eyes are on you, there are scientifically proven ways that you can make yourself happy. The items listed here all have one thing in common; your level of happiness is dictated by your environment, behavior, and other external factors. Whether you are getting inadequate rest at night or spending that extra time to pamper yourself on the weekends, try out any of these methods to starting changing your mood today.