Kazuo Ishiguro said this quote
“ As I’ve said, it wasn’t until a long time afterwards—long after I’d left the Cottages—that I realized just how significant out little encounter in the churchyard had been. I was upset at the time, yes. But I didn’t believe it to be anything so different from other tiffs we’d had. It never occurred to me that our lives, until then so closely interwoven could unravel and separate over a thing like that.But the fact was, I suppose, there were powerful tides tugging us apart by then, and it only needed something like that to finish the task. If we’d understood that back then—who knows?—maybe we’d have kept a tighter hold of one another. ”