Your browser does not support the video element. For almost five years, I've been dutifully drawing little green dots at the top of my journal entries. A small green dot means it was a generally good day, a slightly bigger one that it was pretty fantastic. A huge one represents one of the handful of no-notes, absolutely perfect days of the year. Orange dots equal stress, red denotes anger, and blue means feeling blue. It's not exactly scientific, or as sophisticated as the many mood-tracking