help...dd is 18months and has started biting! she has been biten from other childern at nursary so she knows it hurts but carries on to do it.i told her off for eating sand at the beach on saturday and she came up to me cuddled my leg, then sunk her teeth in! she has left 3 bllod blisters and pierced the skin! it bloody hurt.everyone keeps saying bite her back its the only way, she will learn, i dont know if i could acsually do this though! out of the people that have done this has it realy worked???