Hi, OP. I don't know if you or anyone else are reading this, as many of have already replied, but I'm going to say it anyway.
Firstly, I cannot say much (in experience) for the first question. Though I am a closed bisexual female myself, I've never wished to be of the opposite sex (aside from some sexist issues I have to deal with in my family). T...... reply
did break old habits
