Answer:
1st Person P.O.V
Explanation:
It's obviously 1st person point of view because it say's a lot of I's and the narrators thoughts.
I believe the answer is cause
Books that are surrounded by oxygen will turn yellow, so basically, all books since oxygen is constantly surrounding us. Oxygen-rich conditions are very bad for paper, which gives them the yellow tiny. This is actually called lignin oxidation! Lignin oxidation gives it a yellow or brown colour as you said. Yellow comes first, then brown after.
I hope this helped a bit! :)
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.