If you have seen someone you know before in a dream: It is beneficial not to share certain agreements or events in your life with others, you can prevent people who want to take your place by producing creative ideas. Seeing someone you know before in a dream is exhausting as the person's longing for old friends. We can say that he will remember the past and that good memories will come to his mind. It is also called as a sign of meeting with friends, having a pleasant time and having nice conversations. It corresponds to good developments that will occur in daily life.