being lied by a woman who refuses to move out and refuses to try to make amends other than simply hanging out at home and acting like a wife is incredibly painful for me on a daily basis.
because she can, you are teaching her how she can treat you.
Do some reading on the internet about boundaries, they are a ingredient of any healthy relationship.
M22,H45,W45 S21/18D12 Retain faith that you will prevail in the end, regardless of the difficulties and at the same time confront the most brutal facts of your current reality, whatever they might be.