Dream about black out is a premonition for your own stubbornness. You are trying to change how you see yourself and how others see you. He or she is trying to express himself or herself in the relationship. Your dream is a sign for your social environment and sense of community. You need to show more of your emotions.
Black out dream is a hint for the balance between your objective thinking and your emotions. There is some matter that you are trying to resolve or settle. You need to address some animalistic or primitive thoughts. This is a portent for your spirituality. You are putting on a disguise or showing a different aspect of your personality.
If you dreamt about black out:
Someone may come down hard on you for changing your mind so many times today. Don't let him or her get you down. There is no reason to think less of yourself, or let someone think less of you just because you continue to modify your opinion.