Yonkle,
Every lyric or short story, has a beginning, a middle and an ending. Lets start with that.
Take your story and break it down into it's three parts, beginning, middle and ending and seperate them. Once we see the lay of the land, as it were, or the foundation of the lyric, we can then begin to build the song. As well, you need to find a "hook" for the lyric. The "hook" is what makes people listen. The "hook" is what hooks your listener in to enjoying the song. The "hook" is also used as the punch line. You have a title, "Her Heart Is Like An Ocean", but that is really a broad and vague title. In the greater scheme of things, the title of your lyric should also be the hook. The bait that intices the fish.
Of course, there is no rush, so when your time allows, please post what you think is the beginning, the middle and the ending. And then we'll look for a hook!
Thanks for sharing.
Les