Why did the main character name the white horse after St. Joseph in A Secret for Two?

In "A Secret for Two," the main character names the white horse St. Joseph as a tribute to the saint known for his nurturing and protective qualities. This choice reflects the deep bond he shares with the horse, symbolizing his affection and reverence. Naming the horse after St. Joseph also signifies hope and guidance, paralleling the character's own journey of love and companionship.