I totally understand how you feel. Your time is going to come, for you to feel free. It's inevitable. My therapist once asked me to write a letter to my ex, write down everything you feel without a filter. Don't send it or show it to them, just read it yourself a couple of times and then burn it
Actually it helps really, helps you to lift the burden a bit.

I am tolerant of the LGBT, they can choose whatever they like. I have had gay friends I don't have any problem. But I will never accept a M to F trans-person as a woman. No matter how many treatments they have, doesn't matter. It is against my scientific beliefs.
And at that point I was forced to play a long just because my ex was so fragile and the society is on their side because they are vulnerable. The society doesn't care about what the straight spouse feels. 
The moment I started honestly saying what I thought, he became so aggressive.

I am pretty sure you will find ways of freeing yourself. Even if it feels so tough, you will do it.