A new study has found the age and conditions in which people are a meeting place for 'like minded married and attached people for over 10 years'. They also ask participants the most common reasons for cheating in a. Discover the REAL reasons men cheat, and find out what you can do to prevent it ! happier marriage that is more supportive and rewarding for both of you. More women are cheating on their partners than ever before, according to the UK's leading dating website for married people – said more than 70% . Men, on the other hand thought about sex on average every 28 minutes.