I've been feeling overwhelmed by the skill set required by my day job lately.
There's a fairly significant laundry list of things I need to have or gain proficiency in.
It's exhausting, and makes me feel like a big phony.
I found a great blog post about it:
http://www.hanselman.com/blog/ImAPhonyAreYou.aspx
I'm grateful I did. Check it out.