I had seen many signs and suspected his infidelity accidentally discovered "proof" through a text from one of his male friends as well as a video he accidentally made while talking to himself about it. I feel that all the reasons you discussed in the tape are valid, but I felt the main reason he continued to deny was to protect the person involved and his relationship with her in order for it to continue.
His refusal to admit the infidelity
I had seen many signs and suspected his infidelity accidentally discovered "proof" through a text from one of his male friends as well as a video he accidentally made while talking to himself about it. I feel that all the reasons you discussed in the tape are valid, but I felt the main reason he continued to deny was to protect the person involved and his relationship with her in order for it to continue.