Feeling Bad Might Actually Help

I've often had a bit of an uphill battle to convince students that some short-term gain in one of my classes equals long-term gain. The self-esteem movement, it appears, has another brick taken out of its foundation.

Feeling Sad Can Actually Help!
http://www.wired.com/wiredscience/2010/10/feeling-sad-makes-us-more-creative/