Also, it would be nice to write and read about something positive, and I don't know anything much more positive than what teachers do and why they do it.
There are so many reasons that people think teachers teach literature, including, I have been told, "to make students miserable and bored." That's not it and, seriously, it's a bad sign. If you are boring all of your students, you are doing it wrong. Maybe you're expecting the work itself to do the heavy lifting, or maybe you aren't into the work yourself. If it's the latter, well-- part of your job as a teacher of literature is to find your own way to an exciting and interesting core of the piece. If you absolutely can't, the work probably shouldn't be on your reading list.
But then, "because it's on the list" is one of those bad reasons for teaching something. Even the AP test gives a list of several dozen works and still offers the option of substituting another work of similar heft. And granted--sometimes the way to figure out the how/why of teaching a work is to attempt to teach it.
Because the list itself is often a collection of bad reasons, from "we've always taught this" to "the community expects students to have read this work." If you're not careful, the list becomes comfortable, and once you get too comfortable teaching a work, you are on the edge of lazily going through motions.
And certainly, please, God, no, because "this stuff will be on The Test." It's the worst reason to teach anything, in part because it is fundamentally backward. You should test what you taught, not teach what you expect to test.
Don't teach something for reasons other than the actual values in the work. "Because it has been a classic for three hundred years" is not a great reason, but neither is "because this is a hot new contemporary work." If you as a teacher cannot find a way to see an exciting valuable core in the work, it shouldn't be on your lesson.
The teacher excitement and engagement thing is a critical factor that can overwhelm many others. I don't know many people who have any business teaching Paradise Lost to high school students. I'm sure I couldn't have. But I worked with a woman who just loved that work, top to bottom and front to back, and so she made it live and breathe for her students (who at the end of the year put John Milton on trial in front of actual local lawyers--always quite the show as they called characters from the work as witnesses).
There is one caveat here-- if your excitement about the work is linked to one single interpretation, one single set of Correct Gets for students to glean, then maybe you shouldn't teach it. If you can't tolerate your students wandering about and discovering all sorts of Wrong Things, to the point that you feel you must grab them by the nose and drag them to the Stream of the Single Truth, then maybe you need to let this one go.
If you are teaching K-12, you students are not studying literature for the same reason college English majors do, and you should not be trying to reproduce the work of your favorite college lit professor. If you don't see the value in literature even for people who will not spend their lives neck deep in the language and imagery and technique and shock and awe of great literature, then you need to back up. If literature only matters to the people who make a career out of literature, well, then, I'm not sure I can make a case for teaching it to K-12 students.
Literature, like art and music and maybe even math and science, exists not just for the specialists, but as a means of enriching the lives of people whose existence is mostly about something else. That has to be your guiding principle in a K-12 classroom; if your attitude is that you are trying to reach the future English majors and everyone else is just kind of dust on your boots, you're doing it wrong. My high school band director was awesome, and I say that not because he produced a bunch of professional musicians (though he did) but because he produced a huge number of people who are not professional musicians, but for whom music provided enormous enrichment to their lives. That's how I felt about literature when I was still in the classroom.
What a fascinating look at why teachers teach - or at least why they SHOULD teach. As a math teacher one of the most difficult parts of my job was how little control I had over what material I could cover. The high school math curriculum is way, way overdue for a major overhaul. We teach pretty much the same topics as I studied in the 60's!
We need to double down on turn youths into "readers" (of anything) and literature. I have always said that beginning readers should read anything interesting to them: Bride magazine, Car and Driver, comic books, whatever. Then we need to expose them to literature to show them what can be found out there with a little work.
It is clear, more and more, that "kids don't read" is getting closer and closer to being true. The mere fact that they prefer videos over text is an indicator of that. I would love to give kids a snatch of, say, the Lord of the Rings and then give them a videoclip from the movies covering the same amount of material and have them compare them. With the text we are free to use our imaginations. In the film we are limited to the filmmaker's imagination. (The book makes it clear that neither Sam nor Frodo would betray one another, but the film has just that in it, for example.)