He is less inclined to cheat on you. Men who are introverts tend to stay away from large social gatherings and other people. They prefer not to interact with others and do not care much of people who are in or affect his life. Those who tend to be the life of the party always want to get certain attention and can pursue it by any means necessary. Introverts tend to stay away from garnering unwanted attention and will rather spend their time with someone they care and are comfortable with…which is you.