I don't know what kind of bomb I could possibly drop on him.
"I have been thinking about our marriage also and I agree it isn't working. We need to get this wrapped up so I can move on in a healthy way."
You need to let him go (he doesn't want to be married to you), agree with him (drop the rope), and then take care of Shelby. Get your groove back.
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.
