The superlative form of an adjective should only be used when comparing

a. two people or three items.
b. more than two things.
c. a person to him or herself.
d. one thing to another.

Writing about thing people usually do

In the poem, collins suggests that memories do what as people age

Asymbol always — a. gives human qualities to nonhuman things b. uses a connective word such as like or as c. stands both for itself and for something else d. presents an apparent contradiction that is actually true