I’ve found that many of the people I work with in IT are worried. Worried that their code wont perform as required, worries that their boss don’t like them, and worried that their job is going to be taken over by someone being paid half as much as they are.
The number one antidote to worrying is knowing you are good. And a good way to get good is to read books. Not blogs, not forums, not random comments. Real books. I’ve written several, and the process that goes into creating a book creates much higher quality than random blog posts. If you don’t have any specific IT book in mind, I’d recommend a classic: