I'm still nervous to dive in, what should I do?
When you submit your first critique, just tell the author that you're new. Most people are more than happy to help out newcomers. And, just for this purpose, we have a team of Moderators who can answer questions — you can contact them by sending a message to Moderator.
When you submit your first critique, you can request a review of your critique from a Moderator. They'll give you helpful pointers for areas you can improve on — and don’t worry, they won't bite. They chose to be Moderators because they enjoy helping people.
Also, search the Knowledge Base and then, if you have any additional questions, you can send them to a Moderator or post them in the Newbie Questions Thread (the most current version is sticked at the top of the forum).