All of us have two personalities. One that supresses who you are in front of people creating a flawless you and the other is the real you, without people knowing or noticing, that you are the scheming, jealous person.
Everyone has that in them.
You behave in a certain way that makes people like you, ensuring that you are likeable, let it be at work or at school or outside facing strangers. First impression counts.
Name one person whom you know who does not have two-sides to him.
Think about it.
Tell me that you are not someone who has two sides of you.