In the following things, remember this: Just because you're able, doesn't mean you should, or have to.

• be a bitch
• believe in a supreme deity
• make money for the sake thereof
• embrace a two-party electoral system
• have sex without protection
• disobey the rules of the road
• lie
• be rude, thoughtless, or intentionally cruel
• plagiarise, or otherwise intentionally violate copyright without due credit to the source
• be fanatical about anything
• pick your nose in public
• go without deodorant
• use custom cursors on your websites
• fight in public
• have children