Naturally—and why should I not admit this—I have occasionally wondered to myself how things might have turned out in the long run.... I only speculate this now because in the light of subsequent events, it could well be argued that in making my decision...I was perhaps not entirely aware of the full implications of what I was doing. Indeed, it might even be said that this small decision of mine constituted something of a key turning point; that that decision set things on an inevitable course towards what eventually happened. But then, I suppose, when with the benefit of hindsight one begins to search one's past for such 'turning points', one is apt to start seeing them everywhere.... What would have transpired, one may ask, had one responded slightly differently...? And perhaps—occurring as it did around the same time as these events?
Kazuo Ishiguro, The Remains of the Day
hindsight, past, reflection, reflective, regrets, retrospect, turning-points