Human nature is the most difficult thing to define.
In the same scenario, people who seem to have similar personalities may make vastly different choices, some of which they might not even believe they made afterward.
Old Cui is not an educated man, and looking at him normally, he doesn't seem like a good person.
Previously unnoticed, being here now has revealed another flaw in him—he's actually lecherous.
Obviously, in Sancha River Village, he didn't have the opportunity to pursue this—or maybe he secretly went to those places with special services; as long as he didn't talk, no one would know.
Now that he's here, encountering these free-spirited girls, with some things being consensual, Yan Fei couldn't really say anything.
In short, this guy has plenty of flaws, but fundamentally, he's still the guy who is ruthless enough to himself.
