This dream may reflect feelings of insecurity or jealousy in your current relationship. The presence of the ex-girlfriend may symbolize unresolved feelings or issues from the past that are resurfacing in your current relationship. The fact that your boyfriend wanted to explain himself may suggest that he is trying to reassure you and address any concerns you may have. However, the ex-girlfriend’s insults may represent your own fears or doubts about your relationship. The fact that your boyfriend walked her to the Uber and her luggage may symbolize his willingness to let go of the past and move forward with you. Your decision to not speak to him in the dream may indicate a need for space or time to process your emotions. Waking up with anxiety after the dream may suggest that these feelings are causing you stress and may need to be addressed in your waking life. Overall, this dream may be a reflection of your own insecurities and fears in your current relationship.