Yup, we always preach action over words yet this get's put to the side sometime when we're not thinking straight. Her inaction of 3 weeks says it all.Dude, you're rationalizing.
Bottom line her actions. Bottom line is this chick is unfortunately not that interested in you. At one point she may have been, but likely not high enough if she wasn't begging for exclusivity. They make it clear when they don't want you in the arms of another woman.
It is time to move on my friend.
Also in these cases, we always see the guys trying to rationalize and defend the girl they care about. Groundhog day everyday on SS for these cases. We've all done and been there but it's good to be reminded.
This is where growing a pair and communicating will let you know right away where you stand. Or you can put up the continuing charade like everything is fine in la la land...Bottom line is you still want/desire more caring and attention from her than ever. She is either not aware of your unexpressed needs/desires, not able to meet them, and/or not interested in meeting them.
Or ASSume things and either be right or very wrong but you will never know for sure.