i wish he would offer me another forkful-there ca n't be that many calories in a bit of mash-but he does n't . the armchairs in the common room dont tempt them . and a man 's voice had replied to her . you 're turning into a skeleton - `` i 'm fine - `` - so either you start working the chow or i will have that gym locked and not give you the key . i learned to eat anything in my walk , from tree bark to grass and leaves . 