In "calculating the value of human tissue donation," how does chris truitt's experience with tissue donation change over time? use information from the text to explain how his interest in the industry began and how and why it changed.

 The phrase "even a blind squirrel is right twice a day" is a combination of the phrases "even a broken clock is right twice a day" and "even a blind squirrel can find a nut sometimes." Both phrases mean that sometimes you can do something right even by doing nothing.