The day was February 14. The time was 16:59 when the operator answered my phone call, but it was just after 17:04 when I heard the voice of the man I wanted to speak with. I had to wait for 5 minutes. Actually, I waited for 14 hedgehogs. I still remember the thorns. I drew every one of them. The drawing above represents the relations between objective time and subjective time. The hedgehogs are actually subjective time units. There are 74 sections of time in the book, measured by different subjective time units.