You do not trust that they will support you or always have your back.
You actively try to avoid spending time with your spouse.
Neither of you fight fair.
You all have an unhealthy or infrequent intimate life.
One or both of you frequently resort to playing games or “keeping score”.
You avoid discussing the future of your relationship and are not on the same page.
You keep secrets from each other and avoid talking about hard topics.
You never make compromises for the relationship.
You do not hold each other accountable in the relationship.