“His friends are also faithful. People are more likely to cheat if their friends are also cheaters.”
More from Frank
“Anything seems exciting when you think it will change who you are.”
“Long time no see, Dr. Pym. How's retirement?”
“He's an extrovert. Extroverts are less likely to go along with the influence of others.”
“He just seems like the kind of guy who wouldn't cheat.”