Some people still hanging out with the person she/he dislikes and keep bitching about how much they hated him/her
Some people which trapped in THE POT IS CALLING THE KETTLE BLACK, keep bitching about someone else which is actually true of himself/herself
Some people start hating him/her because he/she goes against everything he/she ever believes in, and try to change him/her, becoming someone like them. If these fails, she/he will persuade others to reject him/her because any norm which goes beyond his/her norm is weird and unacceptable
Human can be so SELFISH, and they expected you to give it all and should not expect anything in return
Enemies can become friends again someday, despite it’s something impossible but it does happen
How friendships fade without you even knowing it
People can be so deceiving though they look truthful and honest