1. Acting happy will make you feel happy
2. Accepting and liking yourself increases happiness
3. Choosing optimism changes how you think and feel
4. Choosing to be social (even if you’re introverted) increases feelings of positivity
5. Recognising you are always free to choose your attitude, increases meaning and happiness
6. Choosing your own goals, and your path and destiny, gives an increased sense of freedom and enhances happiness.