The one thing that you simply have to remember all the time that you are there, is that Hollywood is an oriental city. As long as you do that you might survive. If you try to equate it with anything else you'll perish.
Yes, I mean, There's nothing like it. There is an added sense of pressure because of that, but there's also nothing like the thrill you get being in the same space with that audience right there and then. And when you do it, it's over.