I would say "give it another few days and tread carefully (it sounds like you are well aware of silly social phenom that can squash beautifully-primitive attraction dead)", but this was a week ago...
I guess you would have posted any updates.
I have always cherished this type of interaction. My wife and I knew each other for such a long time before getting together that I don't remember if we had this type of interaction or not. Haha... hey it was 7th grade