Your aunt mailed you a sweater for Christmas that’s three sizes too small. Armed with a gift receipt, you set out to return it. The Atlantic’s Amanda Mull enters the returniverse to find out what happens next.This episode was produced by Amanda Lewellyn, edited by Amina Al-Sadi, fact-checked by Laura Bullard, engineered by David Herman and Rob Byers, and hosted by Sean Rameswaram.Transcript at vox.com/todayexplainedSupport Today, Explained by making a financial contribution to Vox! bit.ly/givepodcastsLearn more about your ad choices. Visit podcastchoices.com/adchoices