Has your mother ever experienced a TLM? She can't understand what she's never experienced . . . Perhaps it is as simple as getting her to a TLM.
+1 on this advice. The TLM is its own best apologist (same goes for Eastern Divine Liturgies as well). See if you can agree to alternate for awhile. Every other week she goes with you to the Byzantine Rite Mass, and every other week you go with her to the NO. Keep praying for her, and after a month or two she may be a lot more receptive to your arguments. I know I never thought that the differences between forms of the Mass were that big of a deal until I had been to a few TLM's.
If I am not mistaken, I think she said in an earlier post that her mother went to the TLM an got nothing out of it.
That is correct. Earlier this year, we went to Saskatoon and went to two diocesan TLMs, both of which were exquisite.
As an update, now my father seems to be an obstacle. He brought up some...interesting arguments against my desire to be a Byzantine Catholic, and also my dissent against our NO parish.
These are his reasons:
1) As a third degree Knight of Columbus, he is to support the Roman Catholic priesthood, and if he becomes Byzantine, he isn't fulfilling that. I told him that he didn't have to be Byzantine, just that I wanted to be.
2) I'm apparently causing 'chaos' and 'confusion', so I am supposedly 'doing Satan's work'. Needless to say, this was met with some serious shock.
3) Since Pope Saint Pius V introduced Quo Primum and spoke against changing the Mass, the same authority he had is also given to Pope Paul VI, giving him the authority to fashion the NO.
4) We were at a Mass where Cardinal Marc Oullet gave a speech at the end, and so he said, "Why didn't the Cardinal speak against this Mass if he's so against it?" I mentioned that the NO is what most Catholics go to and that it's valid as long as the Consecration is, but the Pope himself believes this Mass is "an on the spot fabrication".
I actually had an emotional breakdown today, primarily out of personal issues and shock after talking to my parents in all charity about the NO and being told I'm doing Satan's work.
Chances are I'm going to be getting a ride somehow to the Byzantine church from a family member...perhaps my auntie can take me. I talked to my mother and asked her if she could give me a ride before the NO begins, and she seemed to be considering it, but my dad put his foot down and said no.