Everything was going good between you and spouse, but suddenly after some years you notice a change in his/her behavior and less interest towards you without any specific reason; you may wonder why it is happening. When you found things are out of the place and relationship is on edge of breaking, there may be some specific reasons. If you have a suspicion, that you were being cheated by your spouse, and want to know the truth. Hiring a private investigator is the last best option that can help you to clear all lurking doubts.