She doesn't want to 'get into the groove.' With you or anybody else. No offense.

I might own a book called "Stop Obsessing! How to Overcome Your Compulsions". But if I'm going out on a date and there's any chance you'll be coming over afterward, you won't see these things. Not for a long, long time.  

There was a time in junior high when I would introduce myself to strangers as "Andi, with an 'i'."

When women end a friendship, it can be painful -- and puzzling.