When I was a kid, I read a book on  how to pick up women and it talked about confidence the entire book. I've always had social anxiety, so I decided to tell myself to be confident around people. THis was the beginning of a sickness.

Throughout my life I've picked up more phrases that repeat in my head that tell me how to act or think. If I'm playing guitar, my phrase will be "listen". The phrases are very distracting and are counterproductive. I'm not sure if it's part of my OCD, BPD, or social anxiety but I fucking hate it. I can no longer concentrate on anything because of it. 

When I am with my family my phrase may be, "love". It blinks in my head thousands of times a day and it makes me so anxious. Anyways, please let me know if you can relate :)