Hi OutlandMan Welcome to the boards.
Facing a decision like this can feel so hard, like the weight of the world is resting on our shoulders.
If a breakup is where you're headed, the Leaving Board might be a better fit for your needs:
https://bpdfamily.com/message_board/index.php?board=8.0Also want to add, that if it's some time out that you're needing more than anything, there are communication tools provided in the Lessons here on the Staying board that will help ease what it is you're trying to convey to her; they're in Lesson 3.
Hang in there and please keep posting... . The wonderful members of this forum can really relate to your struggles