A guide to

How to be:
Less gross: After each meal, wash your hands as to not leave greasy fingerprints from French cheese on your mom's new DVD cases.
Nicer: If you share a bathroom with someone else, do your best to keep it free as often as possible. For example, if you put on make up, buy a mirror and apply your face in another room instead of making your room mate wait for 20 minutes to pee before class.
Better than your exes: Even though it's not in writing, you can never take words back.