Rationalisation: “when the individual deals with emotional conflict or internal or external stressors by concealing the true motivations for his or her own thoughts, actions, or feelings through the elaboration of reassuring or self serving but incorrect explanations.” – Diagnostic and Statistical Manual of Mental Disorders

Our brains seem to indicate that saying sorry will be as painful as putting our hand into a fire.

When we are criticised it hurts our feelings, but the pain goes much deeper than that, says Paul Randolph

Source: Why being wrong really hurts