"It’s like he wants to be friends with the whole world," said a fellow dogwalker, as we smiled at my mutt’s wagging tail.

From wolves to dogs, so too for us. Friendliness has been a fundamental ingredient in our evolution. Duke University anthropologist Brian Hare believes that Homo sapiens survived through "prosociality". Amicability was important not only for co-operation, but also as the vital adaptive attribute allowing the species to prosper. This, in turn, facilitated cognitive development, including language. "Friendliness as a trait translates into a winning evolutionary strategy," Hare notes...

BL Premium

This article is reserved for our subscribers.

A subscription helps you enjoy the best of our business content every day along with benefits such as articles from our international business news partners; ProfileData financial data; and digital access to the Sunday Times and Sunday Times Daily.

Already subscribed? Simply sign in below.



Questions or problems? Email helpdesk@businesslive.co.za or call 0860 52 52 00. Got a subscription voucher? Redeem it now