Thanks all for the advice.
I guess it confuses me more than anything because we've had plenty of nights that "the spark" is not only back, but better than it was before. I guess things have even unstable like this or a month or so now.
I'm not quite ready to move on for the simple fact that virtually all of her friends are moving back home and she is staying here to work, work out, and take six credits. Finals are done today, and next week none of her friends will be here. She's virtually going to have nothing but time on her hands to think about things, if she misses me, etc.