Google Analytics isn’t difficult to learn, exactly; the challenge many find with it is just that the service is so detailed, with so much data captured and so many ways to analyse it.
If you’re just starting out with Google Analytics, or are struggling with your existing account, it may help to have a play around with a new demo account that Google Analytics have just introduced. It’s fully functional and populated with data, and will help you get your head around the custom parts of Google Analytics, like custom reports and goals