I feel lonely and I'm scared I'll fall back into depression
That's depressing news, why are you feeling lonely again?
I don't know but I just want to see my friends and family.
Spending time with friends and family builds confidence for all of its members. Knowing there are always people who care about your wellbeing will help you fight off the depression, but be sure to talk to someone about it, too.
I know but the feeling will not go away. I can't seem to get over it.
There may not be something in your life that contributing to your loneliness and you may just be clinically depressed, which is it is essential that you get help from a professional so that it can get treated and you will feel better. I hope you get better and be happier in the future, and I root for you.