The cheater may not be unhappy with the relationship at all. With others, there is obvious signs of relationship distress. Why does unfaithfulness occur in either? My belief is that there's something missing within the individual - something that's never been corrected or something new that has surfaced.
From insight and observation towards those I know who have cheated, most have low self-esteem, the dire need for attention, the need for acceptance, a sexual addiction or use cheating as a form of escape.
We can combine low self-esteem, the need for attention and acceptance into one category. No matter how well the cheater's partner treats them, no matter how good the relationship is, they need a larger "audience" to boost their ego. This is a very false boost, but the cheater doesn't realize that until he/she is left even more empty by cheating. Sometimes they escape this emptiness by finding another and yet …show more content…
Just like a drug addict, the sex addict isn't thinking about the destructive consequences to themselves or others. Their focus is driven by the addiction. The sex addict may not have shown any signs before the relationship, but little by little the signs are noticed. The signs may be seemingly small at first such as closing out web pages when their partner comes into the room - a possible sign they view porn and feel the need to hide it. They may go out of their way to hide masturbation from their partner. They often have a secret life that their partner doesn't know about until the signs start to add up. The knowledge that a person is living with a sex addict can be very painful. The partner is often cast away while the addict chooses venues