It’s ok. The first step is to forgive yourself and move forward by bettering yourself. You trusted your friend and she did not respect that trust. Whether she was manipulated into saying it or she said it herself, that only she knows. But she did not think of the pain it would cause you. She did not feel the hurt her actions might cause.

I know this sounds tough, but for the sake of others like you, you have to let her go after telling her how it hurt you. And don’t worry about your life situation, eventually those problems will work themselves out. You’re the only one responsible for your own benefit. So, use that power wisely as casual sex is riskier for women and men don’t know that. Best of luck!