Wow, how many times did I ask my wife, "Who the hell are you?, it was the most truamatic time in my life as well. But the way to get the results that you want is to remain the uncrazy one. And you admitted that it is driving you crazy, so you must remain calm and calculating.
As far as the transfer goes, can you request one rather or not you make rank, or would that hurt your chances after May 7th.
Maybe look into the beach ceremony, like give her a brochure of someone that does this, like some kinda wedding planner, with another brochure of a kick ass honeymoon. That would show her that you are serious, of course she has to become serious before you actually go through with it.