you'd see that it last updated in late February.
larger than the maximum allowed size for Feedburner - and some 10x as big as an average Blogger feed.
The reason for the large size isn't just the sheer length of your posts, but the fact that they are
filled with large amounts of junk Word formatting that you need to remove - and stop copy&posting
directly into Blogger post editor (or paste using Ctrl+Shift+V , not Ctrl+V , when using Chrome or Firefox on Windows).
The Word formatting is responsible for over a third of the current feed size.
So either reduce your max-results, or provide Feedburner with a Summary feed instead.