"It is clear how you feel. All of your questions could be answered if you put Jehovah to the test, but I cant convince you, you have to allow it, we will talk soon."
Tell her it's not about you (Herelgo) putting Jehovah to the test. Rather it's about you (Herelgo) having tested your own faith as the bible instructs us to do and about how you found that your faith and your beliefs were based on false information and or the lack of information. Thus far, no one, including herself (your own Mother and faithful follower), has been able to answer those basic questions, yet she is willing to shun her own son and her own grandchildren based on a religion she doesn't fully understand.