I have made it a point to tell everyone that I've had a relationship with for the last 36 years (that's three serious relationships and two marriages!) at the beginning, or at least as soon as I could see that it had a chance of succeeding. Even though it HAS been a factor in ending many of my love adventures. I still maintain that less than complete honesty is just that. I personally could not live with the sneaking around and game playing necessary to keep my crossdressing hidden from my SO.
JMHO
Renee