Accept it. It's over, and it's never happening again. Did you really expect it to work out? Did you really think lives change for the better that fast? Did you really think you wouldn't **** up?
You always expect too much from people. You believe in the kind nature of humanity not realizing it only exists in a select few. You have to stop being so naive.
You knew she was too good to be true. Sometimes it's wise to listen to reason instead of the heart. The heart is a selfish entity that tends to take us down uncertain paths that, mostly, end in pain.
Well, now it's time to pick ourselves up, dust ourselves off, and move on to the next path. It'll all be better before we know it.