The answer to your question is that Song-sam's memories of his father reveal that <u>he always questioned his choice to leave the village</u>.
Explanation:
In Cranes, Toke-chae decided not to leave the village because of his father, but in Song-sam's memories of his father, he reveals that he always questioned his choice to leave the village.
In "Cranes," Song-sam's memory of the old man with the chestnut tree reveals all of the following except <span>that the village was extensively damaged in the war.
It is foreshadowed that Susan is at a zenith, a highpoint in her life. This, however seems to be the last highpoint that she will ever be at, insinuating that the rest of her life was much more depressing and less exciting.
