Bought this book and reading. I have questions: 1) how to deal with mean people? Still keep trying be nice to them, isn't it make me looks so soft. 2) if peopl

Bought this book and reading. I have questions: 1) how to deal with mean people? Still keep trying be nice to them, isn't it make me looks so soft. 2) if people did something wrong and he doesn't know, how should I remind them without make them uncomfortable? Thank you very much!