1) Remember that snakes slither through spaces to be undetected. Watch how the person moves, and if it’s inconsistent, then they are definitely a snake
2) Snakes never make direct eye contact with you. If the person won’t look you directly in the eyes when they address you then they are definitely a snake
3) Snakes enjoy to see others suffer. If the person will laugh at others misfortunes out of sheer gain then they are definitely a snake.
4) Snakes will inject you with their venom by trying to poison your mind. If the person will try to command you to do things for them then they are definitely a snake.
5) Snakes will wrap around you to constrict your movements. If the person is constantly talking down to you and discouraging growth then they are definitely a snake.