Option 3: Break up with your girlfriend because you obviously don't really care about her.
EDIT: I started this thread under a gimmick account a while ago, when I first realized that my pending wedding was completely wrong:
http://tinyurl.com/2h8vgv
I also wrote about breaking up with my fiance soon after under my normal account.
The moral of the story: Break up with her now, as you're clearly no committed to continuing the relationship, but you fear being alone it seems...