If you throw a New Year's Party, the worst thing that you can do would
be to throw the kind of party where your guests wake up today, and call
you to say they had a nice time.  Now you'll be be expected to throw
another party next year.

What you should do is throw the kind of party where your guest wake up
several days from now and call their lawyers to find out if they've
been indicted for anything.  You want your guests to be so anxious to
avoid a recurrence of your party that they immediately start planning
parties of their own, a year in advance, just to prevent you from
having another one ...

If your party is successful, the police will knock on your door, unless
your party is very successful in which case they will lob tear gas
through your living room window.  As host, your job is to make sure
that they don't arrest anybody.  Or if they're dead set on arresting
someone, your job is to make sure it isn't you ...