Sometimes why isn't really crucial

Reconstructing the story of one’s life is a complicated business for other reasons. What scientists call hindsight bias kicks in when we try to figure out the causal chain of events leading to the current situation. We may well come up with a tidy story but, inevitably, it will contain large swaths of revisionist history. It’s not that we bias ourselves deliberately; it happens because the mind tends to make events in the past appear comprehensible and orderly. We forget the uncertainties that might have beset us as we struggled in real time