She obviously told her best friends after falling in love, and they encouraged her to go for it. Sarah was so sure of herself that she didn't hesitate to pursue the young man with gusto.
What bothered her the most during this period was how the young man despised her and didn't even want her. He was disgusted with her, which made her feel depressed.
Forcing someone to be with you wasn't always a good idea. All of her relationships were mutually beneficial, and she never forced anyone to be with her.
Being rejected by a man with nothing shattered her ego, and one day, while drinking her sorrows away with her friends, she met another girl who gave her some bad advice indirectly.
Sarah, who was already in a bad mood and unable to think clearly due to her drug use, decided to escalate the situation and cause trouble for the young man she had set her sights on.