Cheating has haunted so many relationships, it is in fact one of the worst betrayals someone can ever face. Finding out that your spouse has been cheating on you for a long time makes you feel like you've been a fool all along, but finding signs your spouse is cheating is your key to building up evidence. Here are some warning signs that your spouse could be cheating: working overtime beyond the usual time period, unexplained mood swings, leaving the room for phone calls, unusual changes in car odemeter reading...