How to be Smarter: Read Piero Ferrucci's The Power of Kindness.
How to be Prettier: Today, double your water intake. Tomorrow, double it again. Hold constant until you get used to it. The goal is as much water a day as you can take--better skin and hair; plus women that drink water instead of other beverages like soda save about 200 calories a day.
How to be (less) Awkward: Never buy a scarf that when undone hangs past your knees. Keep scarf length in proportion to your body. If you are short, buy short scarves.