Years ago my colleagues and I realised that a child had been left in a locked car at the clinic where I worked; the child was about 4 and was thrashing around wildly, red in the face and hysterical. It was a hot summer's day. We couldn't open the door and couldn't find out who the car belonged to; just when we thought we might have to smash the window, the father arrived. It turned out he was a visiting psychologist taking a clinic in another part of the building. He said 'Oh, he was fine when I left him, fast asleep, can't see what the fuss is about'.