The horse girl trope has its roots in classic literature, such as Jane Austen's "Black Beauty" and Anna Sewell's "Black Beauty". However, it wasn't until the 1980s and 1990s that the trope gained popularity in young adult fiction, particularly in books like "The Saddle Club" series by Bonnie Bryant and "National Velvet" by Enid Bagnold.
In the show ring, Emily and Ruby performed flawlessly, their partnership and communication evident to all who watched. As they left the ring, Emily hugged Ruby, tears of joy streaming down her face.