In fiction, film, and fantasy, the relationship between a human male and a female horse (or a mare) can be depicted in a romantic or anthropomorphic light. This is often seen in:

Mares are known for their strong opinions and fierce loyalty. When a male protagonist in a story forms a bond with a mare, it often reflects his own character growth. He cannot simply "break" her spirit; he must earn her trust. This creates a "romantic" subtext in the classical sense—not as a physical romance, but as a soul-deep connection

In Scottish folklore, male water spirits called Kelpies often transform into handsome men to woo mortal women, though they typically revert to horse form to drown them . Rare female kelpies are depicted as more overtly predatory . 2. Centaurs and Hybrid Romance

For some, the appeal lies in the perceived simplicity and purity of animal emotions, uncomplicated by the complexities and societal expectations that often accompany human relationships. The idea of a man forming a deep, emotional bond with a female horse, free from the constraints of human communication and societal norms, can be seen as a liberating and romantic notion.