Answer: well some tips are :
- say sorry when you do a mistake
- cover your mouth when your yawn or burping * if you do not do this your basically rude*
- say thank you
- SMILE * even if someone is rude*
- hold the door for people * yes even if you do not feel like it*
Explanation: if you be polite you will gain respect from people and you will feel good if you do these things i told you to do