How to see through a person's character from punctuation marks in chat?

1, opening with "hello", such people are polite, have a heavy personality, and have certain cultivation and connotation. Change the opening remarks to pictures, and such people respect the psychology of others. You can communicate with it further.

2, the prologue will give you a vibration frequency, such people do not pay attention to other people's feelings, their quality and cultivation are a bit poor, and their personality is relatively rough. Personality is self-centered, so customers will stop talking.