Although she said that, military training was all about physical exercise, and considering her fitness level was already so poor, she had to persist no matter what.
Vivian also felt uneasy constantly having Gu Yan accompany her swimming. Once she got used to the water, biting through the pain, she let Gu Yan go practice the tasks she wasn't confident in.
Pull-ups.
Gu Yan needed to see how long she could do pull-ups because among the various tasks, this one was the most challenging for her.
Gu Yan initially thought that all it took to do pull-ups was having strong arms, but the reality was not so at all. She found that her arms quickly lost strength, and then she embarrassingly just hung there.
By coincidence, Luo Xixi and a few other girls came by. After not passing her initial run, Luo Xixi seemed to be stimulated by something or figured out a strategy because she managed to pass eventually. Hence, she also had the opportunity to move on to the next training task.