Eight years ago, I had refused a request to investigate for a cheating case. After understanding the circumstances of the suffering spouses, I have been conducting an investigation upon requests. 

There are three things I always ask my clients. First, do you have a woman who you doubts is cheating with your husband? Second, why are you doubts? Third, Do you know the phone number? The answer to the first question is yes the answer to the second question is that they meet and talk often. The answer to the third question is mostly yes or knows where she lives. 

The client's doubts were almost right. If people often meet and talk and spend time, they become familiar with each other, and when they become familiar, the equation is established that men and women will inevitably cheat. When cheating is revealed, trust in the couple is broken and the family is broken. 

This applies not only to married couples living in families, but also to male and female couples living alone.