Whether it is your OCD or not, clearly you're not happy so something needs to change. If you terminate the relationship and it WAS the OCD then it will probably manifest in another way. If you leave but don't seek treatment then your OCD might haunt you with questions about whether you did the right thing. I think talking to a professional is the best course of action here. To help you sort your feelings and distinguish between OCD and true emotions. Good luck.

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