Flickering Hope
The best thing you can do is support her. You say that she struggles with depression. Going through transition will make her so much happier. It's not really a want to transition but rather a need to transition. Also you have to know that you are not losing the person you love. A person is the exact same person after they transition except that their body finally matches their gender. I think the biggest difference is that she will be a lot happier but she will be the exact same person you fell in love with. You did not fall in love with a man because Luna was always a woman. You fell in love with a woman, you just didn't know it at the time. I understand that you're scared but please be there for her. She needs all the support she can get. This is a difficult time for the both of you and it's best if you are there for each other. This is all the same things Luna told me. However, it didn't click when from her.
However, hearing it from someone else, it just makes it click for some reason.
I'm trying to support her. It kind of helps that I don't really have any female friends, so it makes me smile to think of us shopping together for clothes, or just going out.
Thank you. I needed to hear all this from someone else besides Luna, because hearing it from her just didn't make it make sense in my mind.