As your relatable fitness, health, and happiness guide, we at Greatist strive to bring our readers amazing content on daily basis. Of course, not all of the best stuff comes from us! In this week’s link roundup, we highlight our favorite can’t-miss videos, articles, and opinions from the interwebz:

Brain Pickings — Bobby McFerrin’s “Don’t Worry, Be Happy”

Taking the happiest song ever— and breaking it down by the science that makes it so.

SELF — Do You Need a Five-Year Plan?

Should we try to anticipate life’s big developments, or is it better to let things ride?

The Huffington Post — A Few Minutes of Mindfulness Meditation

A study designed for the impatient on meditation and its connection to positive emotional processing in the brain.

Sociological Images — The Politics of Yellow

Inside the fascinating legal debate separating butter from margarine.