Dreams often reflect our subconscious thoughts, feelings, and fears. In your dream, the recurring theme of infidelity and betrayal suggests that you might be experiencing feelings of insecurity or anxiety in your waking life, possibly related to trust in a relationship.

1. House Setting: Your home represents safety and security. The fact that this scenario unfolds in your house may indicate that these emotions are deeply personal and connected to your intimate life.
2. Phone and Messages: Phones in dreams can symbolize communication and connection. Seeing messages on a phone might reflect your concerns about transparency and honesty in your relationship.
3. The Familiar Face: The repeated appearance of the same person could signify that there is an unresolved issue or fear that you associate with that individual. It may not necessarily relate to a real-life person but rather what they represent to you—perhaps a fear of betrayal or an embodiment of a past experience.
4. Response to Confrontation: Your partner's unenthusiastic response and slight smile may indicate feelings of helplessness or frustration in your relationship. It might suggest a need for more open communication and understanding.

Overall, these dreams could be urging you to reflect on your feelings about trust and honesty in your relationship. It might be beneficial to have an open conversation with your partner about any insecurities you’re feeling. Addressing these emotions can help alleviate anxiety and strengthen your connection.