The reason Tang Yue hung his pants up in the hall was to do with Tomcat's restriction on his use of water. Tang Yue couldn't shower or do laundry without any scruples. Therefore, to reduce the rate at which he stank… Tang Yue decided to use the Grand Art of Dirty Clothes Changing.
This art was mastered by Tang Yue during his college days in a male dormitory. All he needed to do was prepare two sets of clothes and switch between them every day. While wearing one, he would hang the other out to dry. This could ensure that both sets of clothes were dry and clean for an extended period of time, saving him the trouble of doing laundry. Equipped with four years of actual experience while studying for his Bachelor's degree, Tang Yue successfully proved that this method could delay his stinking by 50%.
But on the Kunlun Station, Tang Yue planned to go one step further.
If it wasn't necessary, don't wear clothes.