Sweet smell of goodness

While you're savoring the sweet smell of love this Valentine's, be a Good Samaritan and let others take a whiff of your bouquet. 

Boston.com reports that certain smells not only lifts the mood, but even shapes the way we think.  In a recent study published in Psychological Science, researchers say that a citrus-scented room encourages people to behave more fairly in a classic trust game.  A different experiment showed the smell of cleanser made subjects more like to volunteer for charity. 

How's that for taking time to smell the roses?

Read more about the link between the sense of smell and human behavior on Boston.com.