Facts!!

Life : A condition that distinguishes organisms from inorganic objects. "Wikipedia".

A lie : Is a type of deception in the form of an untruthful statement with the intention to deceive, often with the further intention to maintain a secret or reputation, or to avoid punishment. "Wikipedia"

Betrayal : As a form of deception or dismissal of prior presumptions, is the breaking or violation of a presumptive social contract (trust or confidence)that produces moral and psychological conflict within a relationship amongst individuals, between organizations or between individuals and organizations. "Wikipedia"

Mistake : A wrong action attributable to bad judgment or ignorance or inattention. "dict.die.net"

Believe : To exercise belief in; to credit upon the authority or testimony of another; to be persuaded of the truth of, upon evidence furnished by reason, argument, and deductions of the mind, or by circumstances other than personal knowledge; to regard or accept as true; to place confidence in; to consider; as, to believe a person, a statement, or a doctrine. "ARD"

Summary : Life is a lie, betrayal is the general rule, but still, it's not life's mistake, it's our mistake because we believe in it!!!