You will get access to unlimited happiness once you learn how to create the flow experience. Happiness nurtures your mind, body, and spirit. You will feel vibrant and full of vitality, and as a result, your quality of life will improve.
Your thoughts, not your circumstances, determine your happiness.
No matter what the external circumstances are, you can become happy by changing the contents of your consciousness, i.e., your thoughts.
Do anything that fills your mind with positive thoughts.
Examples of such things include expressing gratitude, talking to a beloved friend or family, listening to music, etc.