You can create a metaphor, trust me. A metaphor, to explain simply, is something that takes the place of the real subject that you're trying to convey. For example, I wrote a story about a moon guiding me through the darkness, highlighting all the treacherous paths. Well, in actuality, I'm not really referring to a moon but indeed God. And God was illuminating what I could not see in the darkness. Furthermore, the darkness itself is a metaphor because it shows that I'm lost--I cannot see on my own.
You can do it with your work too! Simply write something you feel strongly about, but change the actual subject to something else. There are many other ways of consuming your work with poetic essences(similes for example), but simply focus on the metaphor for now because it works splendidly. If you need additional help, feel free to email me. You can do anything you put your mind to, so get to it, and be a zealot!