Zero. This one could get existential so let's just call it a symbol of endless potential instead. We can spiral about eternal nothingness later. Or at least look cute wearing these while having an existential crisis. Contemplating the great beyond is HOT. Also I thought you should know I would've swapped out all of the "O"s in this text for "0"s but for SEO reasons I did not (iykyk) and it breaks my heart a little s0 just imagine it f0r me please x0x0
 
These cardboard charms were once dominoes but they were split right down the middle in the name of art. And that's the origin of love. Maybe you'll help this earring find its other half. It’s not adding up!