First: light, not spicy, except for people in special areas.
Second: Don't eat junk food often, drink carbonated drinks and eat occasionally.
Summary: no overeating, no anorexia, regular diet.
Behaviorally:
First: Don't be lazy and exercise regularly.
Second: work and rest should be regular, don't stay up late, don't smoke and drink often, and don't drink too much.
Psychologically:
Always consider problems from the perspective of others, tolerant, broad-minded and indifferent.