Every other post in this series is about living with someone. This one is about whether you should.

Deciding to end a marriage is one of the hardest choices a person makes, especially for people who take vows seriously. If you're asking the question, you are almost certainly not being casual. Here are the criteria that help.

Most people married to a narcissist spend years trying things that feel logical and fair. Nearly all of them backfire, because they assume a partner who processes criticism, empathy, and conflict the way you do. The tactics below fail for reasons that follow directly from what we know about the pattern: fragile self-esteem, heavy defensiveness, and low reciprocity.

If the last post felt discouraging, here is the useful part. You can't control a narcissist, but you can change how you show up, what you tolerate, and what supports you build around yourself. Those changes often shift the dynamic more than any argument ever did.

First, a safety screen. If your spouse threatens you, controls your movement or money, or has been physically violent, skip ahead to the last post. Managing the relationship isn't the goal in that situation. Your safety is.

If you're married to someone with strong narcissistic traits, you've probably asked some version of this: How can someone so charming in public be so cold at home? Why does a small comment set off a storm? Why does nothing I do ever seem to count?

The psychological literature has some answers. Understanding them won't fix your marriage, but it will stop you from making things worse.