You can divert your attention, make more friends and get to know some seniors and sisters, which will be helpful for your future study career.
The library can borrow books to read and talk about ordinary life with roommates. After all, everyone has their own different life.
If you really miss them, call them often, tell them about school and ask their families.
After going to college, I will cherish the time spent with my parents and relatives during the holidays. I hope you can be a filial child!
It will be all right in a moment. Don't be sad.