If you're committed to learning the guitar, it's inevitable that you're going to get into a rut from time to time. Ruts can last from a weeks to years and can be very frustrating but once you understand the psychology behind getting into a rut, you may even be able to avoid them altogether. This is a very useful skill to have since we have a finite amount of time on this planet and if you're serious about guitar, you'll probably want to be the best guitarist you can be for good chunk of that...