Confusing Love

Emma, a 15 year old girl, has had a massive crush on Hunter Daniels since he moved to there school in 6th grade, and when Emma finds out he has been cheating on his girl friend Rachel, with one of Emma's friend's Adrianna, she is devastated.
What does she do, tell Rachel about Hunter cheating on her, or keep it a secret and feel even worse than she already does.
And when she starts to have feelings for one of her best friends, she doesn't know what to do, tell him, or just hide it from him.