I can understand that not being able to disengage with the emotion can be really stressful in itself. And the guilt that follows it is worse. Professional intervention would help you sort this issue and all the others out.
Next Steps
Please see a therapist or me for the same.
Health Tips
Get rid of things that you use to self harm. Write down what's triggering you and what is making it so difficult to disengage from that emotion. It will give you insight.