In my opinion if you back off now, she'll think you are having second thoughts about the weekend. I suspect she cried because she wanted to go on with you but feels guilty for the D. She may be having second thoughts, but it is tough: she was telling everybody it was all over a month ago. And now it is not...
Sorry, I am rambling. I'll post again when the fever goes down...
"You don't throw a whole life away just 'cause it's banged up a little"
Tom Smith in "Seabiscuit"