Thank you for sharing your dream. Dreams often reflect our subconscious thoughts, emotions, and experiences, and this dream seems to touch on several themes.

1. Romantic Feelings: The presence of your male friend in a diner setting where you share a romantic vibe suggests that you may be exploring feelings of attraction or connection. The ambiguity of not being able to see his face might indicate uncertainty about these feelings or a desire to know him better.
2. Conflict and Animosity: The girl in your dream represents a conflict or challenge in your life. Her animosity towards you could symbolize feelings of insecurity, jealousy, or competition. It may also reflect a part of yourself that feels judged or misunderstood. Your strong reaction to her accusations shows that you are standing up for yourself amidst external criticism.
3. Washing Hands: The act of washing your hands can signify a desire to cleanse yourself of negativity or guilt. It may indicate that you want to separate yourself from the conflict or any feelings of blame that are not justified.
4. Food Symbolism: Food often represents nourishment or emotional fulfillment. The blurry contents of your plate might suggest confusion or lack of clarity in your current situation. The misunderstanding around the lemon could symbolize miscommunication or fear of being wrongly accused in your waking life.
5. Confrontation: Your confrontation with the girl highlights a need to express your feelings and set boundaries. The words you used indicate a desire for resolution and validation of your feelings. However, the realization that your words may not affect her as you hoped reflects a recognition of the limits of your influence over others.
6. Emotional Resolution: The comforting presence of your friend towards the end of the dream signifies support and reassurance. Your conscious decision to revise the situation suggests a desire to control your narrative and find peace despite external conflicts.

Overall, this dream might be urging you to confront your feelings about relationships, stand up for yourself in the face of criticism, and seek clarity in your emotional experiences. Trust in your ability to navigate these challenges, and remember that it's okay to prioritize your well-being.