Second, while arguing with the man, secretly record the evidence with a recording pen. Through the dialogue, it is proved that buying a car is the man's personal behavior and the car is also his personal use, so the related things and consequences are entirely his own business. The evidence was preserved to let him bear the loan alone when he was sued by the court. When recording, we should also pay attention to let him tell us how much money he has borrowed from outside so far.

Third, if the man maliciously lends money, the woman can also write an iou herself, such as writing an iou to her parents, saying that after living together for many years, the money is not enough to borrow from her parents for a lifetime.