The Rosie Effect (Don Tillman, #2)

by Graeme Simsion

So here’s a principle that most psychologists would agree with but that comes straight out of genetics: people repeat themselves.” I asked the obvious question. “How do they know what to do the first time?” “They copy their parents. In the ancestral environment, they were, by definition, successful people. They’d succeeded in breeding. If you want to understand individual human behavior, the magic words are repeating patterns.”