Breaking up with a boyfriend or girlfriend in a dream signifies that you are ready to close the book on what you have grown tired of. And a time to open doors for yourself to find a new soul mate. Put yourself out in the playing field and catch Mr. or Miss Right.
To have a dream of becoming single in your dreams may indicate that the current relationship is becoming stale and blunt. Alternatively it may be your desire to free yourself and look for a new partner that better matches your interests and goals in life. Prior to departing with your partner, review and assess if the choice you eventually make will hurt or better you not just in the shortcomings but for your own long term goals.