To see a gray hair - to a disease. If in a dream you see that you turned gray, then in real life you are trapped by a trouble. For the young woman the dream in which she found in herself a gray hair and tries to paint over them, in reality she will suppress some facts of the biography from the beloved.
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.