i was, "gosh, with a colostomy bag, swimming, enjoying life?" i said, "yes, i can." i've learnt to be confident, not to have any shame. i i can do anything. cheering gill castle was so severely injured in childbirth in october 2011 that she had to have a colostomy operation. she'd suffered a fistula — a hole between her rectum and hervagina — and a fourth degree tear which couldn't be repaired.