This dream may reflect your feelings of fear and insecurity in your current relationship with this person. Walking them home symbolizes your desire to protect and take care of them, even though the relationship is no longer romantic. The fact that you are in your hometown and the house is familiar may represent a sense of comfort and familiarity in this relationship. However, the presence of her parents and her living in the house may suggest that you feel like an outsider or that you are not fully accepted by her family. The intruder on the porch could represent a threat or challenge to your relationship, causing you to feel anxious and unable to communicate your concerns to your partner. This could also symbolize your fear of losing this person or not being able to protect them. Your struggle to speak in the dream may reflect your difficulty in expressing your true feelings and concerns in the relationship. Overall, this dream may be a reflection of your insecurities and fears in your current relationship and the need to address and communicate them with your partner.