A psychologist explains why breaking up with your mask can be a hard thing to do Mask mandates in Colorado and the U.S. are ending, but some people are feeling anxious about transitioning back into a mask-free society. Author: Marc Sallinger (9 News) Published: 8:32 PM MDT May 18, 2021 Updated: 9:52 PM MDT May 18, 2021 DENVER — We’ve gotten so used to wearing masks this year that breaking up with them might feel a little strange. The Centers for Disease Control and Prevention says people don’t have to wear a mask in most settings if they're vaccinated and many businesses no longer require them indoors.