Which is an absolute lie.
Probably, not Mount Meadows level, but be prepared to have to apologize on her behalf a lot.
I hate to say it, but if you are serious, go explore her world. But life is long and eternal and all righteous people will choose the right at the end.
Additionally, you need to take stock of your beliefs and acknowledge they may change overtime.
Am I ready for this. In my home ward, the non-member son of one of the members of the Bishopbric was able to stand up with the Priesthood and hold his baby girl while they gave her baby blessing.