I read books so you don't have to.

The novel explores Esther’s descent into severe depression, illustrating that mental illness can distort perception, isolate people, and make ordinary life feel unbearable. The 'bell jar' itself symbolises this suffocating mental state.

Esther struggles to figure out who she wants to be. She feels torn between different futures and fears choosing the wrong path, reflecting the anxiety of growing up and forming an identity.

The book critiques 1950s expectations for women — marriage, motherhood, purity — and how limiting they feel. Esther resents the double standards placed on women compared to men.

Esther constantly feels trapped — by society, by her own mind, and by the paths available to her. The bell jar represents emotional and social suffocation.

Even when surrounded by people, Esther constantly feels detached and detrimentally misunderstood. Her inability to connect deeply with others reinforces her loneliness.

The novel traces a central and symbolic cycle: Esther’s inevitable breakdown, 'death' of her former self, and gradual recovery. It suggests healing is possible, but easily corrupted. This is a reason why I (personally) believe Plath wanted to heal.

'I saw my life branching out before me like the green fig tree in the story. From the tip of every branch, like a fat purple fig, a wonderful future beckoned and winked. One fig was a husband and a happy home and children, and another fig was a famous poet and another fig was a brilliant professor, and another fig was Ee Gee, the amazing editor, and another fig was Europe and Africa and South America, and another fig was Constantin and Socrates and Attila and a pack of other lovers with queer names and offbeat professions, and another fig was an Olympic lady crew champion, and beyond and above these figs were many more figs I couldn't quite make out. I saw myself sitting in the crotch of this fig tree, starving to death, just because I couldn't make up my mind which of the figs I would choose. I wanted each and every one of them, but choosing one meant losing all the rest, and, as I sat there, unable to decide, the figs began to wrinkle and go black, and, one by one, they plopped to the ground at my feet.'

This is genuinely beautiful and incredibly symbolic extended metaphor which Plath uses to emphasise her possible future or identity. They are all good options, which I find key, illustrating the anxiety that interlocks with too many options. The idea of 'starvation' is incredibly fascinating as Plath turns this idea of indecisiveness into something physical and fatal, mirroring Esther's mental struggles. The figs also cover entirely different lives. Note the idea of a life of domestic life, intellectual success, adventure, romance and achievement. This highlights the pressure (especially on women in the 1950s) to choose one life path, when she wants them all - an intensely relatable experience.

'Enclosed, in a wall of glass.'

This is an incredibly crucial point in the novel, as it does in fact reflect Plath's own life struggles. When she was a teenager, she wrote this in her journal, her poetic flair already emerging. She goes on to use this in the Bell Jar, and even titles the book after her teenage self's thoughts. This truly is ingenious, and highlights the authenticity of her work, and the semi-autobiographical nature of the book itself.