Staying physically active

Eating healthy (more towards vegan, low carb, low fat) with a couple indulgences (a cocktail, a handful of candy).

No excessive vices (narcotics, alcohol, tobacco).

Having dedicated hobbies.

A supportive group of friends and family.

Some sort of spirituality.

Dealing with emerging health issues proactively (surgery, medication, lifestyle changes).

Involved in the local community (mentoring, volunteering, teaching, helping out).

Keeping intellectual curiosity and simulation.

Making peace with emotional sinkholes of their past (regret, bitterness, resentment).

Low stress/turmoil in their life.