"I subscribe to this theory of self control called ego depletion," says the author. "If you use up your self control, as it were, if you do on two, three, four hard things in a row, you have to concentrate", he adds. The book is published by Simon & Schuster at £16.99 (with free UK p&p)
What is the cost of admitting you’re wrong? How can intellectual humility make you more open minded? And will Stephen finally persuade Angela that rum-raisin is the best flavor of ice cream?