I thought I knew her when I first spotted her; there was something familiar about her although, when I got a closer look I realised she was nobody I knew - some people just have those faces, Mabel always says. She's sat opposite the woman with the baby that doesn't look well; shame that, dragging a baby out in the cold when it's ill, won't do it any good will it? Still, maybe she's got no-one so I'm not judging. That's the thing with this job - and my real life job for that matter - you get these snapshots of people's lives then you think you know them but you don't, of course. The bloke who smells of scotch might just have had the one to fortify himself and the fella who sits there in silence while his young wife chats away to him on a train might have a chronic toothache, you just don't

