JokesMarriage A Man Wrote A Book. What Follows Next Will Make You Laugh Silly. 4.8k Views A certain man wrote a book entitled, “HOW TO CHANGE YOUR WIFE IN 30 DAYS,” and it sold more than 30 million copies within a week. Later on,it was discovered that there was a writing error with the title. It was supposed to be, “HOW TO CHANGE YOUR LIFE IN 30 DAYS.” Well,ever since they corrected the error, not a single book had been sold. See more Previous joke A Young Boy Is Pulling His Wagon Up A Hill. Next joke An Old Man Applies For A Job As A Woodcutter.