She thought she could stay with him forever thanks to the family's protection, but she didn't expect that the family had already removed her.
She thought that after the divorce, she would forget about him by staying far away from him and not seeing each other again. How could she expect that things would go against her wishes and they would always meet again.
She thought she could avoid unnecessary trouble by starting a new life with another person, but how could she expect that he would always pull her into his affairs.