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"Looks" very frugal Type A blood. The
  meticulous type A is also very conservative in financial management. Most Type A people will have a savings in their passbook, and they are also relatively insecure about money and feel that money is best in the bank. Even if interest rates are declining, Type A people are still reluctant to invest their money. Therefore, Type A people are not necessarily very rich, but they will not have empty pockets, let alone allow themselves to spend more than income.
  If you have a type A friend, you might think that this person is an "iron cock". It seems that money must be compared. In fact, it is not true. Type A people will only consider the money they spend and whether they get a certain value. If they think it should be spent, Type A people are more bold than others!  

Type B blood
  , who often feels that they can’t save money, knows that they must save money, but they can’t save money. Type B is a veritable "knowing easy and hard to do" type. Their passbooks often appear "too many at the beginning of the month, but empty at the end of the month" situation in their passbooks. ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? , This is because Type B people can’t resist the things they love and will always try their best to buy them home. Often, credit card over-scratching occurs. Coupled with the enjoyment, Type B people have less determination to the financial manager. .
  If you have a Type B friend, you might like to eat out with him very much, because Type B people are informal and don’t understand the money, and they often pay for guests automatically. It’s this kind of "love to buy" plus " The personality of "loving guests" makes Type B people often feel stretched.

Like investments blood type O
  compared to the cautious type A, type O can be regarded as investment like blood type, O-type people for most of the figures have some interest, but also keen on a wide range of financial, investment In this way, once the O-type person decides on the target, it is very likely that a large investment will continue.
  If you have an O-shaped friend, you may think that he is sometimes generous and sometimes stingy. The reason is that O-shaped people are more practical. When he is generous, it is usually when he makes money or has something to ask for you, but don’t treat O-type people away because of this, because when he regards you as a close friend, he will treat you very much. Outrageous!  

A clearly divided AB blood
  type is more subjective and more iron-toothed for financial investment. Let’s take stocks as an example. They don’t necessarily trust business people. They would rather invest by absorbing the knowledge of newspapers and books, and may invest a surprising number.
  However, no matter how much money you spend, the AB type will still leave a reserve by your side. When you hear the AB type crying poor, maybe he is richer than you!
  If you have an AB-type friend, you might think he knows everything. Even if you go to a noodle stall to eat noodles together, he will pay exactly what he should pay. However, don't you think he cares too much, because they won't take advantage of others.