I was born in England and lived there to the age of 8, and then moved to France and I have lost all but two of the friends I used to have in England

Now I am about to go to study in London and I am really excited about it ! but again, I am leaving friends behind, the sort that I have been seeing every other day for years ! I am really going to miss them and I am also really scared that "history repeats".
Knowing them, I am quite sure that they wont forget me or anything. So what I am scared of, is that they change habits, jokes and all the things we had in common, meaning that we might take different paths and not have so much to tell each other when we get back together.
with internet, we will stay in contact of course but I am still scared

please just give me your thoughts
