The guy expects you to be angry or any sort of reaction that you will do and capitalize on that to continue his accusations. If you do not he’s ashamed and he walks away.
People honor agreements because there are consequencies that they must not risk. “It is difficult to be loved and be feared at the same instance.”(Niccolo Machiaveli). “Fear is safer than love”(Niccolo Machiavelli) So if you got into an agreement without evaluating the consequencies the other party will face incase of infidelity to the agreement, you have nothing to hold on to.
You dont bembeleza enemies, they get bolder if you do.
“The greatest happiness is to drive the enemy before you to watch his city burn to the ground and to gather his women to your bossom”(Genghis Khan)
And finally:
There are no thing such as half-friend. Such fence-sitting is dangerous.
“People are either completely indulged, or they are destroyed”(Niccolo Machiavelli)
I have read that book as well…and I totally agree with you. My mistake was giving a guy fresh out of campus an opportunity. Anyway it was a simple task that he had to complete. Am even thinking if its worth recording a statement with the police