How devout is the family? In case you one day have kids (I know at not even a year this is early, but it could e.g. happen sooner than planned by accident), do you have the feeling her parents will want to control how they are raised? How does her mom's dislike of you show?
The fool hath said in his heart, There is a God. They are corrupt, they have done abominable works, there is none that doeth good.
Psalm 14, KJV revised edition