From McSweeney's, The Elements of Spam.

14. Use the active voice.

Notice how aloof the passive voice is.

Your balls are to be slurped the most by cum-starved nymphos!!!!!

Hardly persuasive. The five exclamation points feel tacked on, an attempt by an inexperienced writer to breathe life into a desiccated construction. The active voice, however, allows you to write with verve and straightforwardness.

Cum-starved nymphos will slurp your balls the most!!!!!