In fact, every parent loves their children equally, and children don't want to leave their parents. You are like this, and so is your boyfriend.
You can earn money and live in the nearest place, so that both sides can take care of it.
If your boyfriend loves you, you should also love your parents and take care of their old age.
There is no need to change your surname. What men want most is face. It is an insult to the man if the child changes his surname. If it is serious, you can say so. ) He will look up.
Although people nowadays don't pay attention to these things, most of them are still male chauvinism.
As long as he loves you and your parents, it's OK!