Famous pivot stories are often failures but you don't need to fail before you pivot. All a pivot is is a change is strategy without a change in vision. Whenever entrepreneurs see a new way to achieve their vision - a way to be more successful - they have to remain nimble enough to take it.
If you go away on location for three months and your wife stays at home you've made a whole new load of friends and she's made a whole new load of friends and you get home and you're kind of strangers.