She probably has not studied the real truths behind Mormonism and thinks her beliefs are the only way to become a God while living eternally with family in the life hereafter.
Good thing is you can have multiple wives in heaven if you become exalted.
We agree on honesty and kindness, it doesn't matter what inspires us to pursue that. But I was unusual in that I never really wanted to convert my husband I was worried I'd have to divorce him if he turned true Mormon and he didn't need me to believe way he does.
Children thrive on clarity and consistency. Learning from a young age that any religion will do means that your children almost certainly will ultimately believe that any religion will do.