To CHEAT is HUMAN , this is why

Adopted from the following great insight shared by Dan Ariely from his book Predictably Irrational

“This result suggests that cheating is not driven by concerns about standing out. Rather, it shows that our sense of our own morality is connected to the amount of cheating we feel comfortable with. Essentially, we cheat up to the level that allows us to retain our self-image as reasonably honest individuals.”