What do you do when your wife finds out that her mom sees her as broken?

As some of you know, my wife is autistic. I have been very public about this. Not that anyone would be able to tell unless they really got to know her.

12 years ago I met her. As time went on, as I had interactions with her mom, her behavior seemed off towards her daughter. She was extra hard on her. Even tried to stop her "stemming" behaviors (I don't have time to explain, look up autism). Later on I talked to her dad about it. Her dad swore me to secrecy, and then told me about how her mom could never really accept her because of the autism. How she saw her as broken, and is happy I married her so she "wouldn't need to deal with her any more".. He said I wasn't to tell her unless she figured it out on her own.

My wife, due to some other factors, is in therapy. She, after her most recent session, figured out that her mom saw her as broken, as less than her other kids. And I told her what I knew. It was not a fun night. All I can do is be there, as I always have been.

She did as me why I didn't tell her. I told her what her dad told me. It's the one and only time I kept anything from her in our marriage.

She asked me why I don't see her as broken. I told her that I could never really love her, if i didn't love every part of her including the autistim. If I loved her in spite of the autism, it wouldn't be real, it would be like the way her mom was. That Is why I could never see her as broken. And why I celebrated her differences. Her dad felt the same, I told him I could never see her as broken, that she was perfect from my point of view. He said to me "that is why I was happy you married her. You see her as she is, not as her mom wants her to be".

What would you do if you were in my situation?
What do you do when your wife finds out that her mom sees her as broken?
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