>>If he did that he'd have to tell his bosses he wasn't giving us the second half of the semester.<<

So he's skipping the second half of the semester *and* hiding it from his bosses.

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>>Not all of us live in hyper-flexible online study-land<<

Well, we kind of *are* all living in online study-land these days, but some of us are living in houses hooked up to the grid and others are in hastily-constructed refugee camps. I hope your camp can return to their old homes soon, or failing that get some infrastructure.