If you feel that your hitting your head of a brick wall, it might be that your suffering from “Guitarist’s Block”. This is part of a larger article on the subject with the link at the bottom. We picked a couple of what we feel are the best points.
While it is always a good idea in structured practice sessions to do certain exercises like arpeggios and picking pattern variations, you don’t need to do ALL of them EVERY session or in the same order every time. Pick and choose. Throw yourself curveballs by randomizing them: put your exercises on a sheet and roll dice; put them on flash cards and draw them out of a bag.
Understanding that there are two types of practice is important for guitar players. You can learn all about this at this article which is all about how to practice guitar.
Take a break. Advice usually given to writers, painters, and other creative types, this works for guitarists, too. Sometimes, you just need to recharge your batteries. When you come back to the process, you may find you have a different perspective, a fresh view, and you’ll make progress again. So, go for a walk, see a movie, read a book, go camping. Just forget the guitar for a bit, and come back to it.