Just when you think you've got a handle on the peculiarities of Chinese ways, something new and bizarre pops up. One of the foods I was asked to bring in today was a small uncooked potato. On receipt, Ava's Mum cut off a thin slice and applied it to her wrist. A kind of medicine, she insisted! So we are paying hundreds of pounds for western pills and a hospital bed ...plus a raw tatty. Work that one out.