How to be Smarter: To get to-do lists done faster: make the best decisions with the information you have, and then move forward. Ignore sunk costs, bad attitudes, and guilt. How to be Prettier: Warm patterned tights are a fall staple; to keep them work appropriate, have all the colors in the pattern be neutral.
How to be (less) Awkward: Salt and pepper shakers should always be passed together at the table, even if someone only asks for one. (Source, with more great table etiquette tips and drawings).