10 regret things in life

1. did not save much money
2. did not study hard in school
3. did not practice/exercise much
4.did not have much knowledge about the world
5. smoking
6. rarely keep in touch with old friends
7. did not take care much of body/healthy of myself while young
8. did not thankful/talk much to related people, before they died
9. did not take much photo, when self was young/what self did/history
10. early marriage