PHILOSOPHY BOOK FOR THE 21 ST CENTURY: SMILE!

Everyone is so obsessed about being happy all the time now. I guess that's why so many people are totally stressed out and ..unhappy. But I really like the way advertising keep telling us to be happy though. Like all those guys and girls smiling non stop while doing crunches or working hard on the stairmaster. But at the same time I'm a little bit confused. Should everybody do the same in every situation? Should any single mother smile non stop for 30 minutes while peeling potatoes alone at night? Should old people have sex this way? Should school bus drivers do the same for 2 hours non stop every morning? Maybe that's the only idea left we have about what happiness is in the 21 st century..Maybe the rest is just now too complicated for us to understand.