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(Photo by Cate Gillon/Getty Images)

13) Wipe the Smile Off Your Face

Experiments have shown that the simple act of frowning makes you more skeptical and analytic in your thinking. It also makes you look like a big sourpuss that no one likes. So… your choice.

14) Play Violent Video Games

Various studies have found that video games quicken reactions, improve multitasking, and reduce hostile feelings after a stressful task. Anything from the “Grand Theft Auto” from GTA3 and beyond will do just fine.

15) Follow these people on Twitter

Economic genius Nouriel Roubini (@Nouriel), online show host Jad Abumrad (@JadAbumrad) and author Colson Whitehead (@colsonwhitehead). Those guys are smart. Reading their tweets MUST rub off on you in some positive way.