The following sentences will seem contradictory, I think, but they are both true:

I am having the best/easiest/most fun year of teaching I have had in a very long time, and it may be that this is the clear winner in terms of my entire career by the time the end of May rolls around; and

I do not remember ever being as consistently exhausted as I have been for the last month or so. It’s 8:15. I’m going to bed. I’m regularly going to bed around 9:00 lately, and no amount of caffeine cuts through anything; I’m completely immune to the stuff by now.

That’s all I’ve got right now. I’m gonna go die.