This dream may symbolize feelings of betrayal and danger in your waking life. The presence of your boyfriend and family suggests a sense of security and happiness, but his sudden departure and the appearance of a stranger at your window may represent a fear of losing that security. The fact that the stranger claims to have killed your boyfriend and is now targeting your family could indicate a fear of someone or something trying to harm your loved ones. This could be a reflection of your own anxieties or a warning to be cautious of potential threats in your life. The kitchen, a place associated with nourishment and sustenance, may represent your desire for stability and harmony in your relationships. The fact that the stranger takes your boyfriend’s car could symbolize a loss of control or direction in your life. Overall, this dream may be urging you to pay attention to any red flags or warning signs in your relationships and to protect yourself and your loved ones from potential harm.