For most of the years I worked at McKinsey in the '80s, I shared an office with Michael Patsalos-Fox, a Greek-Australian right-handed opening bat who now runs all the firm's operations in the Americas.
It was a happy cohabitation. Michael would bet on anything: whether the next woman to walk past our door was wearing trousers or a skirt was a particular favourite. Oh, what fun we had (of course, only during those vanishingly brief moments in the office where we were not adding massive value to clients).
But there was one fierce argument. I once let slip that I found my current study - on cigarette marketing - to be of no interest whatsoever. Why should anyone care how many people switched from Silk Cut Extra Mild to Marlboro Lites if the price of the latter were cut by 5p? Michael bridled. There was nothing, he argued, that was completely uninteresting.