The correct answer is metaphor.
A metaphor is a rhetorical figure of speech where two or more things are symbolically compared, without using the words such as like or as (because that would be a simile). This whole poem is symbolical/metaphorical - it talks about the passage of time and how everything is transient and fleeting.
Some people just react in a disrespectful way. When people are disrespectful, you just have to pause, take a breath, and be nice to them. As people say “kill em with kindness”. You know you’re doing the right thing by being nice. Ignore them disrespectful people cause they’re not worth your time:-)
This happens quite a lot in verbs e.g run to running. It is because you double the last consonant in a one-syllable noun for it to become a verb. (Keep in mind there are exceptions to this rule.)
This poem is about how Louis Simpson is looking for loved one. Through out the entire text he expresses his loss for hope and courage, questioning whether not he should live and love of his departed, and he has tremendous fears of losing his precious memories of his loved one.