Here are 10 signs:
- They severely and harshly criticize a person to their face or behind their back
- They have angry or sad look on their faces
- They are always complaining
- They hold life long grudges and talk about countless times how they been mistreated
- If you talk about someone or friends with a person they have bad blood with, be sure to know that you added on their hate list. You can see the spite and resentment in their faces.
- They are openly rude to others
- You sense that their character is potentially horrible
- If you make a mistake towards them, they will be sure to cause you pain by deliberately ignoring you or insulting you directly with unforgiving derogatory terms.