What is the main theme of the story ‘Swimming Lessons’?

INTRODUCTION -In “Swimming Lessons” the narrator (Kersi Boyce) describes his life in Canada as well as connects with his past and parents living in Bombay. The story begins with the narrator’s encounter with an old invalid man living in his building, who reminds the narrator of his own grandfather, another invalid. Both the old people were immobile, and both found it difficult to pass their time.

The Portuguese woman across the hall is the inquisitive type, who disseminates information about people living in the building to anyone who will care to listen. She had informed the narrator that the old man’s daughter was taking care of him.