Dreaming about your boyfriend's ex cutting your hair can symbolize feelings of vulnerability, loss of control, or insecurity in your relationship. Hair often represents personal identity and self-image, so having it cut in a humiliating way may reflect fears of being undermined or disrespected, especially by someone from your boyfriend's past.

This dream may also indicate underlying anxiety about your relationship or concerns about how others perceive you. It might be beneficial to explore your feelings towards your boyfriend's ex and consider if there are any unresolved emotions or insecurities that need to be addressed.

To gain clarity, reflect on your current relationship dynamics and communication with your boyfriend. Open discussions about your feelings can help alleviate any insecurities you might be experiencing.