Most times, people do not know that the good things that one does will definitely come back to him just the same way that the evil that one does will come back to him too .

Many people have lost the interest of helping people because, some of the people who demand help will end up paying your kindness with evil.

The old woman in the pictures according to the story was giving the two brothers free snacks when they were in school and recently after 40 years, they visited her to show their appreciation even when the woman has aged so well.

This is to say that one good turn deserves another.