The “sum” of my fears

I was driving hurriedly to hospital, as I was already a few minutes late after having dropped my son off to school. I could indistinctly hear my passenger, my professor (KPA), cursing me under his breath. I was preoccupied with thoughts of irate patients whom we had called to the outpatients department. I increased my speed to the maximum permissible, 60 km/hour, which was most unusual for me, my usual speed being about 30 km/hour. Indeed, I was …