Dealing with guitar frustration

We have all been there, and some of us are there today. I'm talking about a frustrating time in your performance and playing that seems to last forever. The problem with progress is that it is rarely a one-way street. Progress is often failing forward. Sometimes you will feel as if your guitar playing is developing tremendously, while at other times, you might feel that you are actually going backwards. This phenomenon is perfectly normal. If you look at anything to do with the human race, progress is rarely a one-way street. We can also see this in the stock market. [...]