Could your spouse be cheating on you? Studies show that infidelity affects a shocking 1 out of every 3 marriages. Do you think your marriage or relationship is safe? Here are 6 signs that point to infidelity. After reading this list you may find there is some area of concern. Do not confront them, as this will only cause them to clean up their act and make it more difficult for you to catch them. Seek professional help so you can get enough proof to make your case.