One toxic person is enough to destroy your life

 One toxic person is enough to destroy your life. But who are these toxic people? Let's know their characteristics

Selfish/Selfish: They always think they are the best. He is always busy with his own likes and dislikes. They don't care if someone else gets hurt because of it. They can do anything for their own interests, want to maintain their own superiority even if they prove inferior to others if necessary. When he sees his own interests, he becomes close to him. Their circle of friends or people around them change after a few days.When the interest is saved, they no longer keep in touch, on the other hand, when they know their real face, many people no longer mix with them.