I bequeath myself to the dirt to grow from the grass I love,
AND
If you want me again look for me under your boot-soles.
A realist looks at the world for what it is. In these lines Whitman is being a realist because when he dies he will be buried. He will be under the ground and under people's shoes. Also, when you die you return to the dirt and your decaying body feeds the grass. The other lines do not directly address death even though they talk to the reader about the relationship of the speaker to the reader after he has passed.
The Owl and the cat are personified as a couple who are eloping with little means. They set sail in a pea-green boat with 5 pounds to their name and used one shilling of that (Around a quarter) to purchase a ring to consummate their marriage because they had tarried for too long.
The cover letter includes some informal words that come across as casual and unprofessional, reflecting poorly on the job applicant. Some of the informal and casually styled words and phrases used include: