can, can't

I only got to plant maybe a dozen trees this past weekend, because my knees objected to clambering over rough ground. It was incredibly frustrating. Am I ever going to be able to do things again? It almost didn't matter that there was a great deal of excellent pie to be had.

But at least I came home to an emailed grade on my programming assignment. Full marks (which is not unusual, he's not a hard grader) plus "Outstanding" and "an absolutely perfect function," which are unusual. Yay me.