According to private investigators, what are the most common signs of a cheating spouse?

When you suspect infidelity in your relationship it can be difficult to determine whether or not your suspicions are valid and if so, what to do next. PInow surveyed their network of trusted infidelity investigators to find out what, in their experience, are the common indications of infidelity in a relationship. The following graphic displays the six major signs of a cheating spouse, what to expect in an infidelity investigation and other statistics on infidelity and marriage.

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