Should my boyfriend and I get together again?

According to what you said, you came to your stepfather’s house when your mother remarried, you took your stepfather’s surname, and your boyfriend’s cousin is your stepfather’s niece, so If you get married, your stepfather will be a generation junior in terms of title, so he firmly disagrees and even goes to the extent of attacking your mother and asking you to publish a newspaper to sever the relationship. However, you and your boyfriend have a good relationship. In this case, you just You should work hard for your own happiness, patiently do your stepfather's work, and use reason to move your emotions. Besides, seniority is just a title. In addition, let relatives help you do your stepfather's work. , in this case your stepfather will gradually agree for your happiness, and you two lovers will definitely get married eventually.