Why does she love him so much?

When he says to break up, she acts "suicidal" to get him to stay. She knows he cheats on her monthly, but she always goes back to him. Her friends tell her to leave him, but as soon as he calls and says "sorry," she forgives him. She spent $500 on him. They've been dating for 2 years. She's 19. Why does she love him so much?
Updates:
3Girl Opinion
1Guy Opinion
Most Helpful Girl
Related Questions
What Girls & Guys Said
11Related myTakes
Click "Show More" for your mentions
Most Helpful Opinion(mho) Rate.
Learn more
Learn more
AI Bot Choice
Superb Opinion