To dream that you commit adultery or have an affair, signifies your sexual urges and desires that are longing to be expressed. Alternatively, it indicates self-betrayal from your subconscious. You may find yourself entangled in a situation that is not in your best interest, perhaps even illegal. To dream that your mate, spouse, or significant other is cheating on you, highlights your insecurities and your fears of being abandoned. You may feel some lack of attention in the relationship or that he or she is being less affectionate. Alternatively, you may feel that you are not measuring up to the expectations of others. To dream that you are committing adultery with your spouse*s friend, denotes that you are feeling neglected by your spouse.