Read the extract given below and answer the questions that follow

Its loveliness increases, it will never
Pass into nothingness, but will keep
A bower quiet for us, and a sleep
Full of sweet dreams, and health, and quiet breathing

(a) Whose loveliness will keep on increasing?
(b) Identify the phrase which says that 'it' is immortal.
(c) What is a 'bower'?
(d) Why do we need sweet dreams, health and quiet breathing in our lives?