Married found out my husband is a mtf transual but I'm not a ?

I have been married for 23yrs and we have 2 teenagers. My husband is transitioning, taking hormones and may want SRS. I do not want a physical relationship, I am not a . I feel my husband has died and I have a girl friend. He wants to hold my hand in public but I don't. I want to hear from wives in similar situations and how they are dealing with it. If I stay with him will people think I am a ? I feel uncomfortable when he insists on holding my hand in private he is not the man I married. I feel betrayed he should have told me before we were married he was a transual.