13.

BORDERLINE PERSONALITY DISORDER. A mental disorder characterized by unstable moods, behavior, and relationships. Symptoms could include feelings of worthlessness, insecurity, emotional instability, and impulsiveness. 

One moment you feel as though you're in love with someone and want to spend the rest of your life with them but in the next, you just want to push them away cause you’re sure they’re going to leave. Such instability was what Dylan's Relationship with Hannah had to survive through but she never once considered leaving him. 

Till the accident. 

Hannah had known about his personality issues as they had met during group therapy. She was suffering from anxiety, stress, and depression as a result of the nature of her job. She was a journalist and had sometimes gotten death threats