There's no theme, no moral to be learned, except for the knowledge that lightning can strike from a clear blue sky one morning and take away everything you've built, everything you've counted on, leaving wreckage and no meaning behind. It can happen to anyone, it can happen to you.
Reality
Memory is fiction . . . All memory is a way of reconstructing the past. . . The act of narrating a memory is the act of creating fiction. [Armitstead, Claire. “Damon Galgut talks about his novel In a Strange Room.” The Guardian. 10 September 2010.]
Memory, Fiction