You suspect your spouse is cheating. Feeling in the pit of your stomach, something is not right but you don`t know exactly what that feeling is about. He/she is becoming distant, working late on a regular basis. Pay attention to those signs and your instinct. Pay attention on some indicators such as: Sudden need for privacy, regular work habits change, caught in a little lies, missing time they can`t explain, secretive phone calls, secretive text message, cell phone locked with a secretive password. Consider monitoring your spouse for two weeks. During this time keep track of the mileage on their car. Monitor the time they leave for work and the time they come home. Take notes in a calendar and track times so you can establish a pattern. If your spouse claims to be working late,verify. There are always way to uncover the truth!