Matthew Kennedy secretly bought his first Barbie doll as a young boy — but it wasn't until adulthood that he became confident enough to share his 1,000-plus doll collection with the world, in large part through his witty, eye-catching Instagram feed.

@barbieonthebrain on Instagram • Matthew's Los Angeles Times essay from 2013 • Opening theme: "Keepers" by Still Flyin' • Closing theme: "Slow Draw/Feeling In My Heart" by Eric Frisch • Additional music by Chad Crouch, Haha Mart, and The Simple Carnival • www.forkeepspodcast.com