“It is difficult to define: nostalgia is a common emotion, and all of us can be nostalgic about a time when we were younger, or happier, or only beginning to discover the world. The warm glow that surrounds our early years grows warmer, perhaps, with every year that passes. A journey taken as a twenty year old seems very different from a journey taken forty years later. But pry beneath the surface of that nostalgia and you may find real reasons for feeling as you do – reasons that are to do with growing up and with the growth of understanding.” Alexander McCall Smith The white cliffs of Dover shone…