Of course, beautiful and creative outdoor posters can always make me smile.

FORBES: No Billboards, No Outdoor Advertising? What Next?

How that cloud used to make me smile.

FORBES: The Day The Cloud Died

They make me smile.

FORBES: In Defense of Pop Music and "Guilty" Pleasures

It still makes me smile to make my wife smile, and I never get tired trying.

FORBES: Note to Self on New Year's Eve: "You Are What You Write"

"Since my diagnosis, I have met a lot of other children going through the same thing and I have decided I want to make as many children as possible smile and stay as positive as me, " he said.

BBC: Brain tumour patient, 7, launches children's charity