That is how they all make money and how you lose yours. How do you handle the fighting? Remember that.

Shut them out if you need to. Do not engage. Control the fighting. You might not be able to stop it, but you can control it.

If you have kids: Communication Protocol Order from https://cnfc.org/documents/. Listen to this podcast episode: https://www.cpdilemmas.com/23-what-is-a-good-co-parent-defining-the-non-impossible/