"A Little Secret"

Do you know a secret, soft and sweet? It dances with my every heartbeat. It hides behind each word I say, And follows me throughout the day. So here's a clue, not hard to miss, It lives within a thought like this: "Do you know who my crush could be?" Lean in, and read this carefully… It’s not a riddle, not a guess, No need for puzzles or a test. The only one who holds my heart, Is you, the one who read this part.