> Yesterday I stumbled upon three dogs while walking through my
> neighborhood. The dogs were generally unruly -- barking incessantly,
> pulling on their leashes, and snarling at other passer-by dogs.
>
> Now I have interacted with each of these dogs individually on numerous
> occasions, and have never witnessed this behavior. It was obvious that
> the presence of each other created a "group chemistry" that did not
> exist in isolation.
>
> Humans, no doubt, are the same.
>
> The whole is greater than the sum of its parts.