I comment my code because I've run into elegant, clean, self-documenting code that did the exact opposite of what it was a supposed to do. Comments let me, and

I comment my code because I've run into elegant, clean, self-documenting code that did the exact opposite of what it was a supposed to do. Comments let me, and other coders, know what I was trying to do, which I think is better than reading what I actually did and assuming it was correct.