I have always found something slightly unsettling about telephone calls. Maybe it is because you cannot see the person on the other end. You hear a voice, but you don't know what the face behind it looks like. You cannot tell whether someone is speaking calmly because they are genuinely calm, or because they are trying very hard not to fall apart. Sometimes there is a pause. Sometimes there is silence. And sometimes, you realise that the person on the other end may