Unbidden guests are often welcome when they are gone. This is not surprising. They constantly want something, demand something, ask something. They are jealous and want to rat on you. They barge into your cozy little world and want to soil everything innocent that's there. Even if it's leather whip and plastic wrap to mummify passing strangers. However, there is a bird for every worm, and the dishonest tricks of an intruder can always be used against him...