by Una Hearne. We naturally compare ourselves to others as a way of monitoring how we are doing in life. It's tricky though - there is a difference between a general sanity check and beating ourselves up for not being as good, successful, thin, fit or rich as the next person. It is a terribly destructive habit to compare one aspect of your life to one aspect of another person's life. It is madness to feel you are lacking because you don't have this hair, that job or the other relationship. You can't ...