I don't know what to do other than work on me, not pursue her, and hope that she is just having some sort of a crazy emotional event, that she will hopefully return from. Or that the high of any affair she may have been in will dissipate.
You can get there if you choose to get there. I'm sure you are familiar with that old Nike commercial, Just Do It!! That's what you need to do. There are dreamers and there are doers. Which one are you?
So get busy working on yourself and do not pursue as you already mentioned.
Me:45 ExW:48 M:04/97 3 Bombs & 2 ReCons 1st BD 11/10 D Finalized 4/20 D-16 S-14 Going in one more round when you don't think you can. That's what makes all the difference in life.~Rocky Balboa