Under crowded conditions the friendly social interactions between members of a group become reduced, and the destructive and aggressive patterns show a marked rise in frequency and intensity.

The roots of our Soccer Tribe lie deep in our primeval past.

A true bond of friendship is usually only possible between people of roughly equal status. This equality is demonstrated in many indirect ways, but it is reinforced in face-to-face encounters by a matching of the posture of relaxation or alertness.

The response of teenagers to their idols is relevant. As an audience, they enjoy themselves, not by screaming with laughter, but screaming with screams.

...In little more than a single century from 1820 to 19450, no less than fifty-nine million human animals were killed in inter-group clashes of one sort or another.... We describe these killings as men behaving "like animals," but if we could find a wild animal that showed signs of acting this way, it would be more precise to describe it as behaving like men.

In a social environment that is ever crowded and impersonal, it is becoming increasingly important to reconsider the value of close personal relationships before we are driven to ask the forlorn question, 'Whatever happened to love?'

Biologically speaking, if something bites you it's more likely to be female.