1. do not bend your card
  2. do not try to take your card apart
  3. do not stir your coffee with your card
  4. do not let your child, puppy or kitten chew your card
  5. do not use your card as a toothpick
  6. do not dry your card in a conventional oven (or a microwave for that matter)
  7. do not let friends borrow your card (you know you wont get it back)