Originally Posted by roogirl
What's going on is, even though you've made positive steps in the right direction, (ie new life, new school, new job etc), sometimes it takes a little while longer for the brain (or heart should I say) to catch up.
There is still a small part of you that is still clinging on to the memory of your ex, and perhaps even a glimmer of hope that you may one day reconcile. It's time to make a conscious decision, and try and 'talk yourself out' of thinking of her.
I personally found the best way to deal with this is to make sure you keep busy, and read a book right before you go to sleep at night, that way the last thing on your mind is what you read in the book rather than your ex. Don't be disheartened if it doesn't work straight away, but with a little bit of effort it will work and you will feel a lot less 'bound' to your ex with time.