I’m sorry, but are you Catholic?
This woman is concerned because a man that she deeply cares for is struggling with his faith. This is normal. Trying to help a fellow Catholic in a time of spiritual confusion is what every Catholic should do.
Have you heard of the Works of Mercy?
en.wikipedia.org/wiki/Works_of_Mercy
Under “Spiritual Works of Mercy” are these two, the first and most important of the two:
1: Instruct the uninformed
2: Counsel the doubtful
So no, you do not sit idly by while the spiritual lives of the people you love fall into decay. That would be immoral.