Dream about stabbing self represents your fear and nervousness of speaking in public. You are harming yourself either physically or emotionally. You are ready to confront your past and your repressed emotions, despite how painful it may be. This draws attention to your protective emotional cover. You are looking for some sort of nourishment.
Stabbing self dream hints your caring and supportive nature. Perhaps your ego is getting to big and you need to show more humility. You need to control your temper. This points at issues about your health. You are feeling inadequate.
If you dreamt about stabbing self:
Don’t try to reinvent the wheel. Do research in the area that you are working on. Most likely, someone else has already gone down a similar track. Take advantage of the tremendous wisdom that others have to share with you. Resources are available.