Did you ever come home one night to see your mom looking like a green monster with something all over her face, her hair in curlers and wearing her pink bathrobe? Back then, did you wonder what she was doing?
Stop judging other people.
Carrying a grudge will never make you feel better about yourself, so why would you waste your time holding one? The only person you should be judging is yourself. Use those self-judgements to help transform into the