Dreaming of Will Ferrell as your roommate and dating him may symbolize your desire for a fun and carefree relationship. Will Ferrell is known for his comedic roles, which could represent your desire for a partner who can make you laugh and bring joy into your life. The fact that he turns into your actual roommate, who is a girl, halfway through the dream may suggest that you are exploring your own sexuality and questioning your attraction to the same gender. Alternatively, it could symbolize a blending of masculine and feminine qualities within yourself. Your roommate may also represent a close friend or someone you feel comfortable and safe with, indicating that you may be seeking a romantic relationship with someone you already have a strong connection with. Overall, this dream may be reflecting your subconscious desires and thoughts about relationships and your own identity.