I disagree on many counts. If you asked my wife and me on our wedding day what our chances of success were, we would have probably said something like "Well, a

I disagree on many counts. If you asked my wife and me on our wedding day what our chances of success were, we would have probably said something like "Well, about half of all marriages end in divorce, but we're a little older and hopefully more mature than the average couple of newly-weds, and we talk pretty openly about difficult things. There are no guarantees, but we think we have a decent chance and we're going to do our best". I have a similar approach to business - as Richard Branson is fond of saying, "Take big risks, but always think about the potential downside".