Whats the overall tone of the poem "there there" by tommy orange?

The poem “richard cory” by edwin arlington robinson explores how the theme of dissatisfaction and the mentality that “the grass is greener on the other side” affects all humans. which two lines in this excerpt reflect those themes?

Which verb from is used to indicate the perfect progressive tense

What is the effect of the haiku structure on this poem?   how does the line structure describe the subject(s)?   and how does a haiku compare to a rhyming and longer poem in terms of its effect on you as a reader?