What should I do outside without changing my underwear? I have been wearing it for several days.

Underwear, a private place, is easily infected by bacteria. To keep good habits, you must remember to change them.

Underwear needs to be dried in a ventilated place first, and then don't disappoint the kindness of the sun. Ultraviolet rays in the sun can sterilize and keep underwear hygienic. I'm really embarrassed to let my underwear bask in the sun, so I have to dry it thoroughly with a dryer. Underwear is clean and refreshing, and I will be comfortable to wear it. In addition, in order to wear comfortably, women had better choose cotton underwear. Note: If exposed to the sun directly, it will deform and harden.