Answer the question about text:

Ss kindly notified me of the shopping I should do today because I had no food in store . The supermarket will definitely be closed because of the Bank Holiday when no one would like to spoil their human right in this tranquil island . Just about to leave with tiny sorrow , Zy appeared with regards , who I have n't talked with for several months and I am absolutely delightful everytime I saw him .

Why is the narrator worried about their survival ?
They ca n't seem to get groceries .