To lose someone you love is to alter your life forever. The pain stops, there are new people, but the gap never closes. This hole in your heart is the shape of the one you lost - no one else can fit it. I miss you Granddaddy.
Today is Pi Day, for obvious reasons. Pi is a Greek letter representing the ratio of a circle's circumference to its diameter, a mathematical constant. If a circle's diameter is one, its circumference is approximately Happy Pi day.