Reviews Friendfluence: The Surprising Ways Friends Make Us Who We Are by Carlin Flora Share this: Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print By Science News March 20, 2013 at 9:40 pm Citing studies on evolution and psychology, this exploration of the nature of friendship shows the importance of making and keeping friends. Doubleday, 2013, 288 p., $25.95