Don't Feed the Trolls....They only eat humans, especially young humans. Offering them food will usually result in loss of fingers, hands, arms, and sometimes heads.
Don't Wake the Trolls...They are vane about their names. Mention their name and they will wake up. Trolls are grumpy when awaken, and usually hungry...See the first rule.
Don't Play with the Trolls...Remember how Cats play with mice? That's how Trolls play with humans, and remember what happens to the mouse once play time is over!
Don't Teach a Troll...They are very set in their ways, They get very angry very fast. When they get angry they play. See previous rule.
Don't Argue with a Troll...They are very set in their ways, They get very angry very fast. When they get angry they play. See previous rule.