I need some help with my thesis statement for A streetcar Named Desire

I need some help with my thesis statement for A streetcar Named Desire. I have always struggled with them and need some guidance.

The prompt is: The ways in which individuals struggle to restore honour and certainty.

My three topic sentences are

Initially, Blanche is able to maintain the illusion of being honourable and hiding from her true self.

However, this illusion starts to fade when Blanche is shut down by Mitch

Consequently, Blanche becomes nothing more than insane and destroys her fantasy of being honourable

(are they even good?)