I always think it's best not to spend too much time wondering about what's happening with them and why. Though it sounds as though your W wasn't having the best day. But if she's been ill, that could be it and not much to do with your sitch, but who knows? Since our S, there have been occasions where XH sounded and acted pretty much as though things were falling apart. His R with OW was on and off etc.
However, WRT to your sitch, it doesn't pay to spend time thinking about where she's at. Fact is, given all circumstances, unless she tells you directly that she's made a huge mistake, wants to reconcile and will do whatever it takes to reconcile - I would continue on your own path and not pay too much heed to how she looks, seems etc.
A good attitude to cultivate is one where you can observe something (ie: she looks unkempt) think - 'oh that's interesting' and go about your day without giving it too much headspace....ie: a reasonably detached perspective.
JMHO of course and hope that helps :-)
T 13 M 7 Me 48 H 46 SS 15 BD 7.14 PA D final 5.16 (H filed)
We receive & we lose, and must try to achieve gratitude & embrace with whole hearts whatever of life that remains after the losses - Dubus