Gotta love this.  In the type of product which only the internet can provide, I give you the Happiness Hat.

Find yourself as the type that doesn’t smile too often? GREAT!

Slap this hat on, and if you’re not smiling, it will STAB YOUR SKULL WITH A METAL SPIKE.

GET TO SMILING FROWN FACE.

Original Post:  The Happiness Hat Will Spike Your Skull - Happiness hat - Gizmodo.