Falling off a cliff in a dream can symbolize a feeling of loss of control or fear of failure in your relationship or personal life. It may reflect anxiety about the future or concerns about the stability of your relationship with your girlfriend.

Consider the emotions you felt during the fall—were you scared, calm, or resigned? This can provide further insights into your current feelings about your relationship. If you were together during the fall, it may indicate a sense of unity in facing challenges, or it could represent fears of both of you facing difficulties together.

Reflect on any recent changes or stresses in your life that might be influencing this dream. It could be beneficial to communicate openly with your girlfriend about any concerns or feelings that arose from this dream.