Personally, I don't make them. Unfortunately, I suffer when other people do.
So I had been editing my thesis* for the past five hours, breaking only for super-imperative phone calls about how much Babel sucked and a frozen burrito, and I decided that if I really planned on making the six pages' worth of "light revisions"** my advisor recommended for my 62-page document of doom, I better take a real break. So I went to the gym with the intention of running my carpal tunnel off to Le Tigre, but nooooo ... all eight machines are in use at 7 p.m. on a Saturday. Wtf?
* Code for "reading blogs"
** Code for "massive overhaul." Joke's on Megan.