More research is needed to determine what caused the strangers to suspect infidelity. But study co-author Dr. Frank Fincham
Why do some of us cheat in our relationships and have romantic affairs? Are there factors that may predict infidelity in men and women? What does the science say? For a better understanding of infidelity (and how to spot a potential cheater), HuffPost Science's Jacqueline Howard reached out to sexuality researcher Dr. Robin Milhausen and neuroscientist Dr. Giovanni Frazzetto.