[dncrane]

This is a good technique, it's called the "george bailey effect" (after the main character in "It's a Wonderful Life")

More info:

http://morehappy.me/2013/07/06/to-boost-happiness-imagine-ho...

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2746912/

[sp332]

Oh, thanks! I knew I had seen it in a study but my Google-fu is weak.