If in a dream you see the person who is represented to you your son-in-law, then in real life you should learn unexpected news which will influence your further existence. If dreamed you that your son-in-law talks to you, and furthermore if he asks for help, then you should be ready to the fact that over someone from your relatives the trouble hung. The threat of a serious disease is not excluded.
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.