TRIGGER WARNING:
TOPICS OF SELF-HARM AND ABUSE DISCUSSED IN THIS EPISODE

"The fact that she allowed me to "save her" was what I thought sealed the friendship, and I thought, you know,  was perfect cause I got to be the counselor that I probably needed at the time."

She was coming off of a romantic breakup when they met.     
They became fast friends who took a vow that they'd never get back together with their ex's.
It was perfect, until it wasn't.