How does ruby's gift of the jar of tadpoles symbolize tom's life?

The story is about Tom, who is a young boy born with a heart that had a hole. However, the breach does not cause him an immediate death; however, he experienced slug and faint excitement. The doctors had said initially that his lifespan is sixteen and will only reach eighteen if he is lucky. This, therefore, made Tom always careful about anything. Ruby make his life safer by still being there for him by doing everything that made him happy. she brought him a jar that turned out to save his life.

for the comment!

yes you could be a life guard if that the question.