" Magrat woke up. And knew she wasn’t a witch anymore. The feeling just crept over her, as part of the normal stock-taking that any body automatically does in the first seconds of emergence from the pit of dreams: arms: 2, legs: 2, existential dread: 58%, randomized guilt: 94%, witchcraft level: 00.00. "

― Terry Pratchett , Lords and Ladies (Discworld, #14; Witches #4)