One might make the case that while both geese and humans feel the love bond as an animal passion, only humans grasp love as an abstract universal via the rational intellect. And, being rational agents and not just acting on instincts, humans have what is properly called a will, such that our actions proceed both knowledgeably and voluntarily, whereas the geese are lacking in knowledge. And furthermore, that while the sensitive passion might be shared between humans and geese, even if varying by degree, human love also has an intellectual component, such that by love we can mean two things: (1) the sensitive, passible emotion and (2) rationally choosing to will the good of another.