It will soon be difficult to put up a shelf without a degree in shelf putting up.

Guilt is also a way for us to express to others that we are a person of good conscience. 'I feel really guilty about getting drunk last night,' we say, when in actual fact we feel no guilt whatsoever or, at least, we could choose to feel no guilt. When people say to me, 'I drank too much last night,' I always reply, 'I drank exactly the right amount.

These days we seem more bound to our bosses than ever before. We even identify our own selves with the jobs we do: "What do you do?" is the first question we ask each other at parties, as if a job title could express a fundamental truth about our personality.

The siesta provides a delightful detour from the working day and it also has a practical value as far as productivity is concerned. Winston Churchill had a good long siesta every day during the second world war and he said it was the thing that enabled him to cope with the pressure.

To me there is no more depressing sight than a five-year-old staring at a screen, unsmiling, mouse in hand. Besides whatever dreadful things this prolonged exposure to screens is doing to their brains, computer games tend to be solitary affairs, and produce little laughter.

When walking you see things that you miss in a motor car or on the train. You give your mind space to ponder.

Doing something you enjoy at times of your own choosing and making a living from it: now tell me, is that work?