Accumulate positive emotions: do things you enjoy doing, such as dancing, sharing stories, playing music, etc.
Build mastery: practice a skill you would like to become competent in, such as running, swimming, singing, or meditation.
Cope ahead: rehearse how you will handle a stressful situation in advance.
Physical health: treat physical injury or illness.
Eat a balanced diet.
Avoid mood-altering substances, such as alcohol.
Sleep 7-9 hours per night.
Exercise at least once a day.