There are as many reasons for cheating as there are for avoiding pain. Cheating always points to a weakness in your relationship. There is no such thing as an innocent, harmless affair. If an affair is considered meaningless, what is the worth of the partner who can be cheated on with impunity ?
When you see your mate's qualities as only negative, you risk the chance that someone else will see those same qualities as positive.If your mate rarely gets a compliments from you, he or she won't feel good in your presence.
Eventually your mate may meet someone who sees the good in him or her and...