*sigh* As I thought might happen, after having spent 2 weeks on crutches torqued all off balance, during which time I couldn't exercise at all, my back has gone out again. It had been a whole lot better, in large part because I was doing my back-care exercises regularly.
Plus my regular doctor is out of town, which means that getting through to the doctor(s) covering for him takes longer than it would otherwise. Gaaah.
For the most part I'm managing to remain in reasonably good spirits... but being in almost constant pain takes a lot out of a person (as I know a number of the people on my f-list are well aware).