* Take half-day from work.
* Lie down.
* Start Harry Dresden novels.
* Read webcomics.
* Drink lots of liquids.
* Lie on couch with nice nurse puppy.
Things not to do while sick:
* Attempt to debug half-crazed state machine invented and implemented by self.
* Determine whether madvise() actually does anything under Linux.
* Figure out memory access pattern of glpsol.
* Fend off bity bratty fierce puppy.