But who, in the Western world, has not been deranged by a toxic cocktail of dissatisfaction, restlessness, desire and resentment? Who has not yearned to be younger, richer, more talented, more respected, more celebrated, and, above all, more sexually attractive? Who has not felt entitled to more and aggrieved when more was not forthcoming? It is possible that a starving African farmer has less sense of injustice than a middle-aged Western male who has never been fellated.

And a sensible work strategy might be: surrender to the task but not to the taskmaster, become absorbed in the work itself but never absorb the work ethos.

The 1970s was the decade of liberation, of anger at injustice and demands for recognition and rights. But over time, the demand for specific rights degraded into a generalized sense of entitlement, the demand for specific recognition into a generalized demand for attention and the anger at specific injustice into a generalized feeling of grievance and resentment. The result is a culture of entitlement, attention-seeking and complaint.

The happiness state, when examined more closely, turns out not to be a point but a range, with contentment at the bottom and exaltation at the top...there are probably as many forms of happiness as there are of depression.

Being constantly the hub of a network of potential interruptions provides the excitement and importance of crisis management. As well as the false sense of efficiency in multitasking, there is the false sense of urgency in multi-interrupt processing.

Put any two people together and each will seek ways of feeling superior to the other. If a ship went down in the Pacific and a single sailor managed to swim to a desert island, would he be pleased to see, ten minutes later, another sailor emerging from the surf? Quite possibly - but only if the new arrival accepted that the first man was now a landed aristocrat while he himself was an illegal immigrant.

It may well be that an analysis of figures would reveal a law - the duration of a marriage is inversely proportional to the cost of the wedding. Or, to put it another way, any union celebrated with personalized toasting flutes is doomed.