[ceegeez]

Originally Posted by LScribbens

This situation is not polyamorous, but cheating. You can not continue and have the relationship be honest, for it was founded on dishonesty by one party. If it was me, I'd cut Mr./Ms. Lying-to-partner free and move on. 1) because of the potential drama factor. And 2) because if they are lying to their primary partner about you why would you think they would be honest with you?

You made a good point.