Watching on the platform for a train I notice from the corner of an eye the man with a slender back, in a blue shirt, head and shoulders above the jostling crowd. For half a second I think it might be you whose form is so imprinted on my brain, so wanted by my eyes and ears, my skin, that when we are apart it stays with me. Your image is renewed when I come home and saved for solace in the time ahead when I cannot expect to see your face or feel your body’s warmth within our bed.…