First, your mother doesn't know how to teach. This is scary because she is constantly hoping to overcome you rather than hoping to communicate with respect. You need to be able to recognize the situation, have the right judgment, and find the right way to deal with it.
1, when your parents talk about you, you have two choices, leave and endure. Confrontation is the next best thing, not to mention that you can not distinguish between right and wrong of their own abuse themselves, scolding themselves, which will gradually lose self-confidence, the formation of low self-esteem, the loss of confidence in life, can not find the direction of life.
2, distinguish between right and wrong, follow the direction of the heart. They must know if they are doing the right thing, if you can't judge, ask your own heart, feel good inside, believe in the inner judgment, don't cheat their own feelings. Whether it is right or wrong, do not argue yourself, let your mom, wait for the right opportunity to try to say what you think, she respects you, you continue to say, do not respect you, you do not say it, next time to find another opportunity. Have respect for yourself and try to build the environment that allows others to respect you.
Secondly, do you understand what fundies mean? If one's sexual orientation is different, it's advisable to handle it carefully, not necessarily that you're wrong, and respect your own choices, but also respect the attitudes of those who are against it, after all, China is more traditional in this regard.
Thirdly, read more and be self-reliant. If you want others to respect you, you have to restrain your own desires and respect the labor of others. You can't just think about obeying your family, getting your hands on money, wanting to live a life of pleasure and indulgence, thus forcing yourself to tolerate being scolded for what you don't like to hear, and on the other hand, feeling that your parents don't understand you and aren't willing to stand on their own feet to get your education up, and change yourself to make yourself stronger.
In any case, they should be able to distinguish between right and wrong, and be a self-reliant and self-reliant people, you are now in a critical period of psychological development, read more, believe in yourself, do not engage in confrontation, do not just let others to fight against your self-confidence, and learn to stay away from and tolerate, and I believe that you will be able to deal with the problems of psychological development of your adolescence.