Why does Xu Sanduo compete with Wu Ban's assistant in push-ups and running?

Prior to this, the rumor about the dissolution of Iron and Steel Company No.7 was "on tons of clothes", and 56 1 gave way to Wu Liuyi in the face of the rumor that Company No.7 was about to be adapted and Xu Sanduo's various tests. He wants to take Sanduo out to practice alone, so that others can see the glory of the soldiers of the Steel Seventh Company. When Xu Sanduo wanted to end this meaningless game, 56 1 said, "The monitor of the seventh company didn't give up. Let's have a competition.

To vent, to prove!