Ordinarily, Harold would brush each of his teeth up and down, back and forth 76 times, but this particular instance was different: Harold stopped counting how many times his toothbrush scraped his teeth, and brushed without regard to his normal technique. As unimportant as this event may seem, it is representative of a life-changing attitude that Harold adopted; he realized that he needed to start actually living life to prepare for his predicted tragic death. The new, carefree manner in which Harold brushed his teeth paralleled his new, carefree outlook on life — Harold went after his crush Anna Pascal, he took vacation time off of work, he plays guitar, etc. This scene is essential to the development of the central theme because it exhibits a recognizable shift in perspective. It is so easy to get stuck in a daily routine, conversely making it difficult to realize whether it is a positive or negative matter. Everybody needs to brush their teeth differently once in a while, so to say, to distinguish the difference between actually living, or just going through the