Really good! I enjoyed it a lot! There are a couple of things I would recommend changing! the first is in the very first line I would change "If only you're my age" to if only you were my age. and the other is at the end of the second stanza I would add You and I are meant to be. and the last recommendation I have is in the second to last stanza the middle line would flow better if it was My peace to whom I shall find.
But all that being said it is really good and it is your work so be proud of it! Keep writing