Happy Valentine's Day! Since love is in the air, we dedicated an entire episode to the modern symbol of love, the heart symbol: ❤ Listen closely as Tanner tells 4 origin stories for this curious shape. But watch out! One of them is made up!

Rate our podcast on Apple Podcasts, Overcast, Podcast Addict, or wherever you listen!

Let us know your topic ideas on Instagram, Facebook, or the I Should Have Known website.

And of course subscribe and tell your friends!

Read more: www.ishouldhaveknownpodcast.com

Support the show (https://www.patreon.com/ISHK)