I hate it when someone who I trusted wholly turns into a monster . Thursday night I had a really awful experience that I wo n't go into detail to protect this person , though I really do n't know why I would protect , but not only was I used and just objectified , but completely and utterly shocked by this person 's complete lack of loyalty . But enough about that .
According to the above context, answer the following question.
What may have happened between this person and their friend ?


Their friend had turned on them .