I knew it, I know you

Kallie and Tyler, a teenage couple who go through the typical teenage couple phase, but the relationship between them seems to fall apart, they have a very horrible break up which leads both of them to deep depression, Tyler tries to become better for Kallie, While Kallie goes into a deep depression and her mental health becomes even worse than before which makes her self harm to "escape the reality", Kallie was on the urge to end her life because losing her father and boyfriend broke her extremely, Tyler finds out and saves her from that deep depression and pain that he might've caused her. The toxic relationship they both had before came to the realization that they didn't need anything else, they needed each other.