Write a piece comparing love to an ordinary object/event like a stapler, a board game, a shark attack, a job interview, a new car, etc.
Prose or poetry. Be innovative, original!
Often referred to as a "rare" being (much like the proverbial "love"), the unicorn is a facet of mythology.
However, that doesn't stop one from strapping a cone to a horse's head and declaring it such - or a ring to a finger.