F4: It is a great letter. However, I do not believe it should be given. Talk is talk. Actions are the truth. You need to re-read this letter every day and every time you are hesitant or down about you and the R. If you execute what is in this letter you will be fine and, my guesss, is that W will choose to re-enter your life.
Your letter has netted numerous posts here to what we each need to focus on to be an adult in a relationship.
Good luck and God bless.
Oh, and our good times starts and end
Without dollar one to spend.
But how much, baby, do we really need