Originally Posted by
The Succubus
My small advice would be this - both of you are a little fuzzed up in the head right now and it's leading both of you to say and do things that aren't helpful. Give each other some proper space for about 3 or 4 days - it'll give you both time to settle down and get your heads straight. You've sent her a letter, which I imagine tells her how you feel far more eloquently than speech can right now.
After those 3 days, then approach each other - some thing neutral, like over coffee or something and see what happens then.