How Concerned Should I Be about My Spouse Believing in Annihilationism?

Questions about how concerned one should be and what to do about a spouse who now believes in annihilationism and how to navigate differences in doctrine with those who take strong stands on their distinctives.

• My wife has changed her view on Hell to annihilationism, and I feel betrayed and worried for her and how she’ll influence our kids. How should I think about this and deal with it?
• How do you navigate differences in doctrine with those who take strong stands on their distinctives?