He says that he “was raised by a mother who had a powerful testimony of the Book of Mormon. It had been the key to her own conversion as she struggled out of inactivity and rebellion.”
Because of his mother’s testimony he never doubted the truthfulness of the Book of Mormon. He had assumed when the time came to read it for himself that he would gain his own witness. So at age fourteen he decided to read the Book of Mormon independently for the first time.