I understand that feeling. It happens to a lot of us. I personally try to think of it as a win, but it’s hard. Especially when it’s a family member. I have a few friends who don’t support and we’ve come to a kind of compromise. If I don’t try to convince them that I’m not bad for being queer, they won’t joke about it or bring it up. They respect my name and pronouns, but after that we try to avoid the topic. It’s uncomfortable and sad, but until I can think of a better option it’s what I’m going with. The best advice I can give is to let it air out. Let her sit with the knowledge, don’t try to bring it up too much for a week or so. For such “smart” creatures, humans malfunction really easily, and it takes people time to even comprehend what’s happening. Try grace, but don’t let her abuse your trust and tolerance.