You shouldn't get remarried on your child's birthday.
James was getting married for the second time and the date was scheduled for his kid's birthday.
James wants to choose a special day to be remarried on.
James realizes that his son and his wife won't want to share a birthday and an anniversary.
James proceeds with the date as scheduled and gets married on that day.
James schedules the wedding day far enough away that it's a special day in it's own right.
James's son and Jame's wife complain every year that the attention is divided between a birthday and a wedding anniversary.