I'm sorry that you feel alone and lonely Archlord, and I completely get what you mean about being equipped wrong for intimacy having been in similar situations.
Maybe you are spending to much time thinking about your transition? It is true that we are transgender and we are at various points on the transition highway and the journey can be all consuming, but when you boil it down - we have a medical condition that should not consume us, should not be the total sum of who we are.
Listen to Ms. Grace - is reaching the finish line enough? When you get there are you still going to have these feelings?
Have you ever thought about getting out of your own head for awhile and immersing yourself in something that will take your mind off of things? One way I keep my mind from thinking about things too much is that I keep myself very, very busy - It keeps depressive thoughts away. When i'm sitting around doing nothing but thinking about things those thoughts and feelings tend to come back.
Maybe you can get involved - go back to school, take long hikes and enjoy being out in nature, get involved in charity work, volunteer - whatever you can do - to get out of your head, get away from your problems, and get yourself out into the world.