This is a personal responsibility however it is important to be cognizant of the fact that by setting a good example others will follow.
Protective factors that maintain mental health also have the effect of improving mental health and well being and are the coping skills of cognitive therapy. These coping skills can all be learnt but require time and effort to become integrated into daily life. Many accept stress as part of life but if not dealt with appropriately is the precursor of depression. One of the most effective methods of dealing with adverse events (causing stress) is to learn, understand and then apply an optimistic explanatory style to the adverse events. Adverse events in modern life are not life threatening, as in past eras, but stimulate the stress response similarly as a result of the personal meaning given to the event.
Regular exercise releases endorphins also termed the feel good hormone (it can be addictive as in people who jog or walk regularly).
Maintain a gratitude diary.
Maintain a good events diary
Volunteer in your community and be involved.
Discover your strengths and virtues and find innovative ways to use them in your life.
Optimism can be learned.
Martin Seligman created the word PERMA and it is derived from:
P-positive emotions (accept yourself)
These are not in any specific order but are the basics of flourishing (a satisfying, fulfilling life).
Seligman also demonstrated that developing an optimistic explanatory style to bad events reduces their impact on emotional response and the time required to return to a more balanced state.