Fifteen happiness keys with evidence behind them.

1. Invest in close relationships
2. Exercise daily
3. Sleep 7-8 hours
4. Spend on experiences, not things
5. Give pro-socially
6. Pursue flow activities
7. Practise specific gratitude
8. Meditate briefly
9. Go outside daily
10. Reduce passive social-media scrolling
11. Cultivate meaning alongside comfort
12. Accept hedonic adaptation is real
13. Forgive past selves
14. Help others in small ways
15. Laugh, often

Pick five. Happiness isn't a destination; it's the cumulative effect of these practices sustained.