u will die..eventually put the weight back on cuz u cant keep not eating..you will most likely have other eating disorders..your livers will fail...you will be pale and anemic..you will be weak...you wont be able to exercise cuz your so weak..your skin will become horrible..your hair will become dull...you will be hungry all the time...and erm yep you will put the weight back on! so erm good luck on starving urself