Dream about petting a black dog is a metaphor for your desire to be the center of attention. You need to gather or get something together, i. e. evidence, information or just stuff. Time has ran out and you do not have time to accomplish all the things you want. This dream is a metaphor for your level of determination and agility toward achieving your goals. You are expressing a desire to go unnoticed or to lie low.
Petting a black dog states you passive aggressiveness. You are reaching for the stars. You are trying to restore order to your life. This dream is about your changing emotional feelings. You feel being picked on.
Petting a black dog in dream suggests your state of mind. Perhaps you are forcing your opinions or beliefs on others. You have the ability to get down and penetrate to the core of a matter. This dream is a metaphor for your ambition and realization of your goals
Perhaps an aspect of yourself is locked up inside and it needs to be expressed.
Dream about petting a black dog is a harbinger for the part of yourself that is always in control. It is time to celebrate the positive qualities of someone who is no longer in your life. You need to better balance aspects of your life. Your dream indicates a danger lurking near you. You need to gather your attention into your life and accept some difficult situation.
Petting a black dog draws attention to letting go. You need to gain some insight and knowledge before making a decision or tackling some project/relationship. There is a higher authority that you need to answer to. Your dream is a metaphor for individual power. You are searching for your individual self and for a more meaningful existence.