It's amazingly easy to set up a blog. Go to Google and set up an account. Then, click on My Account in the upper right hand corner of the screen. There, you can click on Blogger, which is how I set up this blog. Then, think of something interesting to say - that's the hard part.
I sure hope my friend (code name: RmS - you know who you are!) decides to start a blog because I'd like to read it! She could write about dirt and it would crack me up.