Pause. Rewind. Play. (A Zayn Malik Fanfic)

An ex is an ex, right? Breaking his heart and not having any contact for two years means it's over, right? Then why is Zayn trying to bring Ari back to him? And it doesn't seem like he's too keen about Harry and her getting too close. Why should he care though, it seems like he's moved on. ---- First One Direction sto...