Any well-read man knows that the moral difference between the condition of the world before Christianity was planted and since Christianity took root is the difference between night and day, the kingdom of heaven and the kingdom of the devil.
You can have sex with whomever you want to; you're not trapped with the person you had the baby with. You can pick the name, religion, schools, what they wear. There's no consulting - you call all the shots. Single motherhood is an amazing thing; it's a blessing.