From experience I can tell you it won't get easier with time unless you make changes from now. The longer you leave it the tougher it gets to break the cycle because you get so use it.
Go out more, talk to more people, set yourself challenges if that helps, join a gym or sports or take up a new hobby where you can meet new people. Take small steps and move out of your comfort zone. It'll get tougher when you're out in the real world and have a job so start now!
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...when I could get more on benefits?