Defense Mechanism

I have wondered here why some people often won't be true to themselves, to admit that they are at fault or also contributed to what had caused them pain. This led me to make a research on this issue. Sigmund Freud's theory helped me to understand that Defense Mechanism are Psychological strategies often employed naturally to avoid the feeling of anger, guilt, being judged wrong.

Bonus: Top 10 signs, examples and treatment of unhealthy defense Mechanism.