The quote from Sylvia Plath's "The Bell Jar" suggests that shared experiences, especially those that are challenging or unpleasant, can forge deep bonds between people. The act of going through something as intimate as illness or discomfort creates a unique connection that can surpass many other types of friendships. This highlights how vulnerability can lead to stronger relationships.

In the context of Plath's work, this idea reflects broader themes of mental health and human connection. It indicates that the moments of struggle can unite individuals, creating a sense of camaraderie and understanding that contributes to lasting friendships. The quote encapsulates the notion that true understanding often comes through shared hardships.