Why do we hate ourselves? Why is it so hard for some of us to just let ourselves be happy? To feel like we're good enough and that we deserve to have our dreams come true? Self-loathing is defined as hatred for oneself that may manifest as anger, self-sabotage, and low self-esteem. If this sounds like you and you want to learn more about why, here are some of the most common reasons why you may hate yourself.