Let em tell ya, as a DBer, I suck. so take this knowing that as a DBer, I suck.
I'm thinking even though it's getting colder, maybe this is just a progression through the process. I'd try to not focus on her any more than needed.
I know it's easier for me to type this than it is for you to do it, but try living like you're single. if you live by her reactions to things it's gunna drive you insane. try to do the mental "lalalalas" every time a thought of her comes into you mind.