Why am i so f***** up?

im 14 and i over react to criticism ,, if i get any insults and criticism i'll start crying and my family will judge me for it and call me a sook and a woose ,,, and i feel like i cant control my emotions so i dont know how to stop it and everytime i get criticism i take it personally and call my self worthless and f***** up and a stupid waste of time ,,, im so sick of who i am right now i feel like everyone would be happier without me because i just f*** their lifes up and if i was gone they would have less problems ...