How to be Smarter: The best thing you can do for your own happiness level is to engage in the job that you do. Ask questions, think strategically, and befriend co-workers. These will all help you in your career path, but, perhaps more importantly, they will help you enjoy the place you spend 8 hours a day. And enjoying where you spend the majority of your day can make your whole life better. How to be Prettier: Great video on blow-drying bangs.
How to be (less) Awkward: Don't worry about who is prettier than you. You can't control that anyways. Worry about whose more interesting than you. Because working to make your own life more interesting is the best remedy to jealousy, and in the process your whole world becomes more enjoyable--for you.