My relationship with my girlfriend is different because we live separately and are not considering moving in together at this point. Although we are together about five days each week, I have the advantage of time and space for a private life.
My girlfriend is more accepting than non-accepting. Our success may be due to both spoken and unspoken compromises.
The only line my girlfriend has clearly drawn is that I do not go out fully dressed. I can live easily with that restriction.
Sometimes if I mention crossdressing too much she gets a bit aggravated, so I limit the frequency, length and depth of these mentions. She likes seeing me underdressed, but has not yet desired to see me fully dressed, so I decided to fully dress only at home alone. Those are our unspoken compromises.
Best wishes with this matter, Nancy.