The older woman had never had children, so she initially felt it was all a fabrication of her imagination. But as the knocking continued and the voice addressed her as ‘mom’ again, she knew it wasn’t all in her head.

The older woman had never had children, so she initially felt it was all a fabrication of her imagination. But as the knocking continued and the voice addressed her as ‘mom’ again, she knew it wasn’t all in her head.