Try?

Jordan Carlson is the perfect boyfriend for Mandy. She's in love with him so much. On the day of their high school graduation, Mandy heard that everything about their relationship was simply a bet. She was heartbroken and she never look back after that day. A few years have passed, and fate bring them both together again but Mandy is confused when Jordan said that she left him when it's pretty clear that he's only using her.

So everything was just a bet or everything was real?