How do you understand the line “I loafe and invite my soul”?

Reading Comprehension : Read the quoted parts carefully and answer the questions in English. Write your answers in the corresponding space .“I celebrate myself, and sing myself,
And what I assume you shall assume,
For every atom belonging to me as good belongs to you.
I loafe and invite my soul,
I learn and loafe at my ease observing a spear of summer grass.”
(from Walt Whitman’s “Song of Myself”)
How do you understand the line “I loafe and invite my soul”?
【正确答案】：

THIS LINE INDICATES A SEPARATIONOF THE BODY AND THE SOUL.

【题目解析】：引文中的这句话表明了肉体和灵魂的分离。