I found a gem of a Youtube video the other day, a lesson by Pebber Brown (he was Buckethead's teacher, nuff said). See how passionate you really are about getting better and try to get through just the first exercise. Any level guitarist, beginner or expert, should be able to get through it with enough determination. Here's the link:
https://www.youtube.com/watch?v=Sdoz16LRz9Q