How to be Smarter: After a class ends, stay in contact with the professor via email or the occasional stop by their office--you will need references for grad school later on.
How to be Prettier: Put a dash of baby powder if your hair if its oily and you don't have time to wash it.
How to be (less) Awkward: I have invented a rule that tells you have you feel about old boyfriends; its called the Old Boyfriend Apparel rule. If you willingly put on your ex's clothes to either snuggle around in or go to bed in, you still have feelings for him. Its a good judge of what your insides are feeling.