Paul leaned on his crutches, finding it difficult to walk any faster.
As they advanced towards the other side of the forest, Chen Zhou could see that Paul was trying very hard to speed up, even attempting to hop on one leg, which prompted him to stop Paul.
Paul was a big guy, and when he was healthy, doing some heavy physical work was naturally no problem.
Now, with one leg broken and all his weight on the other leg, if he insisted on being brave and ended up injuring the only good leg, he'd end up like Tiger Third, almost half-paralyzed.
While actively asking Paul to slow down, Chen Zhou also explained the concept of "more haste, less speed" to him.
...
Paul's original world was a Soviet Union on another timeline.
