Maggie O'Farrell

What is given may be taken away, at any time. Cruelty and devastation wait for you around corners, inside coffers, behind doors: they can leap out at you at any time, like a thief or brigand. The trick is never to let down your guard. Never think you are safe. Never take for granted that your children's hearts beat, that they sup milk, that they draw breath, that they walk and speak and smile and argue and play. Never for a moment forget they may be gone, snatched from you, in the blink of an eye, borne away from you like thistledown.

I find,' he says, his voice still muffled, 'that I am constantly wondering where he is. Where he has gone. It is like a wheel ceaselessly turning at the back of my mind. Whatever I am doing, wherever I am, I am thinking: Where is he, where is he? He can't have just vanished. He must be somewhere. All I have to do is find him. I look for him everywhere, in every street, in every crowd, in every audience. That's what I am doing, when I look out at them all: I try to find him, or a version of him.