I once had someone tell me that they always budgeted two weeks after their visits home to cope with the fallout from the visits home. Our families know how to push our buttons, after all, they installed them, the saying goes.
Since you have left home, you have been changing and growing. In your family’s memory, you are as you were then. Don’t let them try and stuff you back into the old hole in the family. When you react differently, they will have to.
Enjoy the good parts, the shared jokes, the warm memories, the love, family favorite foods. Ignore the bad as much as possible. I always make sure I have my own transportation (for quick escapes as Gail said). Definitely see friends.
Have a wonderful trip.