Of course it's not a coincidence! She is starting to think that you have really moved on and she's lost you. Now she will wonder if she made the right decision.
I think you handled that very well. Neither confirm nor deny, that's the key. And well done on letting her know when you're available. Now things are starting to run on your schedule, at your convenience.
Keep up the good work!
If you love somebody, set them free. http://tinyurl.com/2empx2g