Why is lady capulet so upset?

her daughter has really died this time.
she feels guilty, having discovered she buried her daughter alive.
everyone dying around her reminds her that she's not getting any younger.
she feels guilty for having treated juliet so poorly while she was alive.

Lady Capulet so upset because Everyone dying around her reminds her that she's not getting any younger

Explanation:

As per the Capulet, Juliet has apologized for her insubordination, gone to Confession, consented to wed Paris, and prepared the previous night. At the point when they find Juliet dead on the morning of the wedding, they share comparable conclusions. To start with, Juliet's mom finds Juliet:  

Lady Capulet is disturbed about Juliet's passing. This reaction is more significant than one would expect as Lady Capulet has indicated little affection in the play for Juliet, instead requesting that shewed Paris. A short time later, she says this is the most "hopeless hour that ever time saw.