I just can't stop thinking. I want her out of my head.
Hi burnerin.
There is a technique that might help. It's technical name is a cognitive defusion exercise.
In cognitive fusion we are caught up in our thoughts, preoccupied with them, and they have enormous influence over our behaviors.
The exercise goes like this:
You have a thought. "I miss her." Sit with that thought for 10 seconds or so. Give it your full attention.
Now replay that thought with the phrase
'I am having the thought' in front of it. " I am having the thought that I miss her". sit with that thought for 10 seconds or so.
and now replay it one more time with the phrase
I notice that I am having the thought in front of it, so it becomes "I notice that I am having the thought that I miss her".
the exercise should help detach and create distance from the thought.
there are lots, of different defusion techniques. this one comes from ACT (Acceptance and Commitment Therapy) and Russ Harris.
I hope you find one that works for you.