Hump day

Sometimes Wednesdays are called "hump day".  The day at the middle of the week, after which it is all downhill.  And that is how today felt.  One week into classes, and I'm already asking how many weeks it is until the end of the semester. 
I am, at least, enjoying the students in my classes -- they seem engaged and bright, and interested. But still, I'm exhausted. 
Yours, figuring it's probably early-onset old-age syndrome...
N.