Never ever do this

Never let anyone manipulate you into destroying your self esteem. They will own you, and will give you up to the world to devour you. Though it might be hard to ignore the brutal words of others (especially if they are coming from someone who is supposed to love you) you must try to retain some self worth and confidence in this world. It is all you ever really have. Don't put too much effort into pleasing others, instead use your efforts to love yourself. Let people say what they want and think what they want, but never let them trick you into sharing their negative thoughts.