Outside the first comment, I have a friend that is kinda the same, she has a male outside, however female inners. It's rough on her. First you sound as if your concern is how to treat the person who has come into your life. Well, depends on that person acceptance to who they see themselves as, male or female. Then just treat them in a manner you would treat any other male or female. They typically see themselves as one or the other, don't treat them different, treat them as they see who they are.