First of all, be kind to your girlfriend, be better than before, love her more than yourself, so that your girlfriend will be kind to herself, be single-minded and be dead set on herself. Then when it comes to treating your girlfriend and mother, you are not fighting alone, but you have the best girlfriend around you. Parents all over the world love their children. Let's seize this point first.
Second, meet the old people, dress handsome, mature and steady, pay attention to your words and deeds, and leave a good impression on your girlfriend's mother and their whole family. You know, many times, a mature, steady and generous daughter will change the views of the elderly.
Thirdly, it is very important for this society to change the dissatisfaction of girlfriends and mothers in other aspects, such as making more money. If you have money, you can buy your girlfriend a house, a car, many beautiful clothes, and many supplements and other gifts for your future mother-in-law. This will give people a sense of security, let your girlfriend's mother see her skills, slowly change her view of herself, and accept herself indirectly or directly.
In fact, the most important thing is that you love your girlfriend deeply and are willing to change for her. And his girlfriend also loves herself deeply, is willing to fight for opportunities for herself and her parents, and even makes her parents angry, all because of love.