What is the theme in Pine by Kimiko Hahn?

A theme in this story is longing. The speaker of this poem mentions several ways in which she experiences longing. Although it is not always clear what she is longing for, woven throughout this poem, including in its title, is a sense that something is missing in her life. In the beginning, she dresses in a manner that she hopes will express her longing. In the following section, she longs for her students to write poems that communicate their deep-seated needs. At the same time, she is also brooding over the fact that she is having trouble teaching her students how to bring out their emotions in a satisfying way through their writing.