It is a pillow -> pi low -> low Pi. If Pi=3,14 and you need the low, it's 3 The pillow is not round, it is square -> 3 square = 9 You have it on your head, a head with hair ( or 'r' ) -> head-r = header. Header of topic is "how old am I 2 -> I2 -> 12 Your age is 12 + 9 = 21 CQFD
are you his friend? he is from belgium too ( I though I saw that somewhere around at his blog, or something )
Am I? Dam and I thought I was going to Londons firework display. God I hate it when I think I am in the United Kingdom.