He may know exactly why, but he fears the reason—whether it’s sexual dissatisfaction or a lack of emotional chemistry—will be "the last straw" that ends the relationship. He chooses silence to "protect" himself or the relationship from further damage. Psychological Drivers Frequently Found "Under the Surface":
: Admitting they risked a marriage for a "fun escapist fantasy" can feel too shallow to confess. He may know exactly why, but he fears
Recovering from Infidelity in a Relationship: A Complete Guide He may know exactly why