Oh my. One of the top three? I truly am touched to hear that :)
I could say something about being disappointed it's not a piece directly about you, but no words needed there, while I know you like your tint of the dark, as you've mentioned.

As for the last stanza, you're definitely right. There is no message beforehand. It is diffuse and light. We enjoy the beauty of the poem and of the narration, till the last stanza comes and whips at us what it is we've just done. What we've been doing awhile now.