Dream about other girl is repression of your personal and physical desires. You are keeping aspects of yourself a secret and protecting yourself from others. The higher you climb in life, the harder it is to stay at the top. Your dream is a harbinger for your current infatuation with someone that you loved. You need to expect some major changes ahead.
Other girl is a signal for some aspect of yourself that you need to acknowledge or recognize within yourself. You are no longer centered. You are experiencing some momentary anxiety or pain, but you will be a better and stronger person for it in the long run. The dream is a clue for a fear of emotional impotence. You are in misery or agony over something.
Other girl in dream is an evidence for an old friend from your past. You are open-mined and easy-going. It is time to think things through and replenish your energy. This dream points to a need for a break or time for rest. You need to learn to forget or forgive.
Dream about other girl is a harbinger for your social circle and togetherness
You want to convey your feelings to them. You need to take better care of yourself. The dream means your level of understanding, awareness or success. You are headed nowhere.
Other girl is a hint for exploring the unknown. You need to confront your own demons and dark past. You need to reconsider the direction in your life and to rethink the path you are taking. The dream is a sign for an aspect of your life that is in need of your attention. You are ready to confront your anger issues.