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You with type B blood and mother-in-law with type B blood:

Both of you of type B blood value your first impressions and trust your instincts, so you are likely to be frank with each other as soon as you meet. Of course, you may not appreciate each other for no reason. Even so, don't slander her mother in front of her boyfriend, as this will only leave you in a situation of isolation and helplessness. You and your future mother-in-law are quite similar in character. If you change the position and put yourself in your place to think about her, you will surely get unexpected surprises.

You with type B blood and mother-in-law with type AB blood : ( blood type and personality http:///xx/)

Mothers of type AB blood are more open-minded and seldom interfere with their son's private affairs. So when you get along with her, you don't have to be too formal. She appreciates more independent and strong girls, so you'd better not be overly intimate with your boyfriend in front of her. You can be more confident and express some personal opinions on the dress and hairstyle of your future mother-in-law. Of course, you should use words of praise and appreciation. Mothers with type AB blood have a keen eye and seem to be able to see through your mind. Don't be nervous, you don't have to hide anything in front of her, she likes you unadorned.