9 Surefire signs he is not a cheater..

2. He’s from the Midwest. According to this poll, Midwesterners are just too well-mannered to cheat on their partners. 

3. His friends are also faithful. People are more likely to cheat if their friends are also cheaters, according to M. Gary Newman, author of The Truth About Cheating. If his friends are trustworthy, it’s likely he’s trustworthy too.