3. You have a completely different sense of humor.
Some men feel that a compatible sense of humor is the key to a happy life together. If a sense of humor is important to him and if you don’t laugh at the same jokes, he may be put off. He’ll conclude that you won’t be good company for him. If you notice that you don’t share the same sense of humor with him, the least you can do is not mock him when he laughs at some jokes you don’t find funny.