If in a dream you open a case and things fall out of it, then in reality you try to try to do two things at once. If dreamed you that you try to close a case door, but it also opens again again with a scratch, then in real life you will not manage to conceal any not palatable fact of your biography from relatives. To buy a case - to large changes in your life.
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.