If you dreamed of seeing your ex-boyfriend sad: If you think you can improve your life by attempting some issues, changing places or turning into someone else, you may see that it's time to do something, you are overworking yourself to gain success. To see your ex-boyfriend sad in your dream indicates that the person does not want to get rid of his memories, to the obstacles he puts into himself, to lead a lonely life, and to succumb to the anger of the person.