The main reason why girls break up may be that she thinks you are not good enough for her, and she thinks you don't value her. If you want to save your love, you can try to change it or be nice to her. You can learn about her hobbies in some ways, and then cultivate a common topic between you.
Girls may be disappointed in you when they break up. And these disappointments are accumulated over time. It is often said that you will not be disappointed without expectation. Maybe, sometimes, what you promised her didn't come true. You should carefully remember a girl's habits, such as what she likes to eat, what color she likes, and her physiological period. Remember what she is allergic to, and consider her feelings in everything you do. In that case, I don't think any girl will take the initiative to break up. Unless she has a problem. You can ask her why she broke up with you, know where she is wrong and correct it in time.
Girls are generally soft-hearted If she doesn't give you any reason, it's just a simple reason. She wants to break up with you because her plastic surgery is beautiful. Then you should think about whether she really likes you. As the saying goes, beauty is in the eye of the beholder. People who really love each other will not break up because of each other's looks. In their eyes, you are the most beautiful and handsome in the world. Even if I meet a better one, I won't take a look.