Dreaming about staying at your ex-boyfriend's family home can be quite significant. This may symbolize unresolved feelings or lingering connections to your past relationship. Here are a few interpretations to consider:

1. Nostalgia: You might be reflecting on your past experiences and emotions related to that relationship. This could indicate a desire to revisit those moments, whether positively or negatively.
2. Closure: Staying in a familiar place without your ex may suggest that you are seeking closure or trying to understand your feelings about the relationship. It could be your mind's way of processing what happened and moving forward.
3. Family and Belonging: Being in a family environment might indicate your thoughts about family dynamics and what you want in a future relationship. It could be a sign of longing for stability and connection.
4. Self-Reflection: This dream may prompt you to consider what you have learned from that relationship and how it has shaped your current views on love and companionship.

Think about how you felt during the dream and any specific details that stood out, as they can provide further insights into your emotions and thoughts. If you find yourself dwelling on the past, it may be helpful to explore those feelings and consider how they affect your present and future.