Why does blanche say I have got to keep a hold of myself?

Blanche says, "I have got to keep a hold of myself" as she grApples with her deteriorating mental state and the chaotic environment around her. This statement reflects her struggle to maintain her composure and dignity amidst the overwhelming emotions and memories that haunt her. It highlights her awareness of her fragility and the desperate need to cling to some semblance of control in her life. Ultimately, it underscores her internal conflict between her desires and her reality.