I googled for a synopsis.
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Dorothy Rowe - Friends & Enemies. Our Need To Love and Hate

One of our most admired and loved psychologists’ turns her attention to the essence of the good relationship, and why we need enemies as well as friends. The desire for friendship is fundamental to everyone - without friendship no amount of wealth, fame, power or achievement will bring us happiness, and changes in society mean that friendship is more important than ever, as we look to friends for the support and closeness that in the past would have been assumed to come firm family networks.

Friendship at its best can be both glorious and precious. Yet, if human beings crave good relationships, they also need bad ones. In imagining we have enemies we at least have the comfort of knowing that someone, somewhere, is thinking of us. People and nations seek out both allies and hate-figures, whether they are children at school or the Serbs and Albanians in Kosovo. It is often easy to hate, even easier to be hated, and we rarely ask why people choose to be enemies rather than friends - whether we can live without enemies or why friendship is so difficult to achieve.

By delving into what it is that makes us hate as well as what makes us love, Dorothy Rowe addresses fundamental issues of human behaviour, drawing upon her own prodigious wisdom and the work of neuroscientists and intelligence specialists to show not only what friendship is but how it may be learned as a skill.

MA