I am a big fan of this form, and having tried writing in this style, I know how difficult it can be to come up with a successful poem. Having said that, I think you did a wonderful job with this!
Your rhyming works well and the flow of the piece is very nice. It was easily readable and understandable. Also, your poem conjures up some great emotion right from the start. Your first sentence really pulled me in- made me want to keep reading and has awesome imagery. All of this continues throughout the entire poem, and your last line finishes with a sense of finality and yet…your use of ellipses brings of a sense of things left to be said.
Overall, I enjoyed this and have no constructive criticism to offer. Well done!