Prenuptial Agreement | postnup after infidelity

I publish illustrative scenarios prepared by my practice. All participants and conversations are fictional. The fictional posts are not posts by real users, accounts of client experiences, or reports of actual results.
Illustrative scenario prepared by my practice.
For informational purposes only. This is not legal advice. Laws vary by jurisdiction. Consult a qualified attorney for advice specific to your situation.
Hypothetical question

I'm dealing with a situation and need some guidance.

postnup after infidelity. I've been dealing with this for about 2 weeks now and the situation isn't improving.

I have already consulted briefly with a lawyer but the other party is not cooperating.

Has anyone been through something similar? What worked for you?