Originally Posted by kdt26417
- break up,
- stay together and stand by his monogamous requirements.
People change for all kinds of reasons; it's just part of being a person. Sounds like he thought he had changed his worldview to one of being poly and found that he was actually mistaken. As frustrating as that is, it happens.
While kdt listed two options for you I personally think you would be doing yourself a disservice if you chose the second option.