My Reason to Live. - One Direction Fanfic.

Callies entire life is turned upside down when she finds out she has terminal cancer, but when One Direction come to wish her Happy 17th Birthday, how much more will it change when a certain member of the band falls for her? Callie can't love Harry, can she? She can't hurt him, she knows she's going to die, she can't let him fall for her. But, the question is, can she resist him?