1) Don't play on tilt or If you don't feel like playing, just don't play! (It all starts here!)
2) Don't be a donk! (Just don't bluff the nuts, please! And don't make a reckless calls!)
3) If you loose 3-4 buy-ins, do not continue to play any more, stop, (especially for cash games)! (If you continue to play, you may lose your bankroll!!!)
4) Don't limp or bet with too much junks; 39o, 83o and so on... (It's just not worth it. imo)
5) Be alert when you are in limp pot! (Miracles happen there.)
6) Play decent hands! (The opposite of point 4)
7) Do not min raise! (Minimum bet/raise is a easy call!)
8) If you lose, don't despair, correct it! (Review the hand history and see where you went wrong - there are a lot of mistakes.)
9) Study more often! (Re-read/watch what you've read or watched. Be open to new things.)
10) Play a lot! (It gets better with practice.)
(I need to work on most of the things listed... 👆)