Same situation for me. She's already moved on and considers me a friend. I don't want to be her friend, I want to be her husband.
Letting go has been hard. Just when I feel like I have let go, something pulls be back. It's hard work. I have made mistakes. I do my best to recognize the mistakes and not repeat them.
Now, I focus on not pursing her. I do not text her or call. I try to keep conversations light and short. I try to think of how I would talk to a neighbor. That's my framework for any conversation with her. She seems perfectly fine with how things are going and never attempts a deeper conversation.
I don't know if that is putting me into the friend zone even more.
M:42 W:43 T:14 M:10 S:9 D:5 W filed 12/22/14 EA 12/31/14 PA 4/10/15 D final 5/13/15