Video: Spend Out.

For those of you following the 2010 Happiness Project Challenge, to make 2010 a happier year – and even if you haven't officially signed up for the challenge -- this month's focus is Money.

Last week's resolution was actually a quiz: Are you an over-buyer or an under-buyer? Did you recognize yourself in either of those categories? Did the quiz help you identify steps you could take to boost your happiness? (I bought three bottles of saline solution, in one purchase! A big step for me.)

This...