This kind of fraud is indeed hard to guard against, some people might lay the groundwork for one or two years, only striking once they've gained your full trust.
If someone around him suddenly needed to borrow money, Lin Shu thought, she might lend it to them too.
So, we cannot blame the victims for their lack of precaution. The scams nowadays are getting more and more sophisticated, often catching people off-guard.
However, if they fall for a scam out of their own greed, that truly would be incomprehensible.
The most challenging obstacles one encounters in life are indeed greed, anger, ignorance, and hatred. Any of these, when singled out, can potentially lead to one's downfall.
Many fraudsters or gamblers take advantage of people's greed, their ability to profit heavily relies on the covetousness of their victims.