Sometimes with One I Love

Sometimes with one I love I fill myself with rage
for
    fear I effuse unreturn'd love,
But now I think there is no unreturn'd love, the
pay
     is certain one way or another,
(I loved a certain person ardently and my love
was
     not return'd,
Yet out of that I have written these songs.)

--Walt Whitman

The place so many poems are born from...