"The ability to make love frivolously is the chief characteristic which distinguishes human beings from beasts"

This quote by Heywood Broun speaks to the unique capacity of humans to engage in love in a manner that is not entirely based upon impulse or requirement. He recommends that the capability to make love frivolously, or with no practical function, is a defining characteristic of humankind. This suggests that human beings are capable of forming relationships and expressing love in a manner that is not driven by a need for survival or reproduction. Instead, humans can forming relationships and expressing love out of a desire for companionship, pleasure, and emotional connection. This capability to make love frivolously is what sets humans apart from other animals, and is a testament to the complexity of human relationships.