Bud has a post on his 100th day of blogging about developing the habit of blogging.
What I have noticed in my own blog is that I blog less when I don't have/take the time to read other blogs. That is what has been going on for the last few weeks. So it isn't the habit of writing in my blog that is concerning me but the habit of reading. I need to make more time for that. When I do, the blogging comes naturally.
Anyway, I am sorry I have been so sporadic lately. I hope to get back to being more regular here soon.