- Do not waste your time on wrong subjects.
- Do not run away from your troubles.
- Do not lie to yourself.
- Do not put aside your needs.
- Do not try to be someone else.
- Do not bother with the past.
- Do not be afraid to make mistakes.
Do not blame yourself for the past mistakes
- Do not try to buy happiness.
- Do not seek happiness in others.
- Do not be lazy.
- Do not think you are not ready.
- Do not engage in relationships for the wrong reasons.
- Do not reject new relationships just because old relationships do not work well.
- Do not try to compete with everyone
- Do not be jealous of others.
- Do not mourn and self-pity.
- Do not keep the spit
- Do not let others pull you down to their level
- Do not waste time explaining to others.
- Do not go back to work without a "stop"
- Do not miss the magic of small moments
- Do not try to make everything perfect
- Do not follow the path that is least obstructed
- Do not act as if everything is fine while the reality is not so
- Do not blame others for your troubles
- Do not try to please everyone
- Do not worry too much.
- Do not focus on what you do not want to happen
- Do not be ungrateful.

Valid advice.
Tiêu đề là 30 điều sao lại chỉ có 29 b ơi :))
: )))) mình thiếu 1 tiêu đề. M sẽ bổ sung
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