If in a dream you see live cancer so close up that you can make out all details, then in real life you will be extremely careful in the decisions made by you and do not miss the chance. If dreamed you that you catch crayfish hands and they grab you with claws a finger, then you should think of a condition of own health one morning not to wake up absolutely sick person. The dream in which you eat boiled crayfish with beer, means that sometimes you are inclined to follow the tastes of people around.
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.