ARE you ADDICTED to drugs?

Couple of friends taking drugs
  1. Take the drug more often or in larger amounts than intended?
  2. Try unsuccessfully to quit or have a constant desire or craving for the drug.
  3. Spend excessive time seeking the drug
  4. Give up other things for the drug
  5. Continue to use the drug, despite knowing you’re harming yourself and others
  6. Experience tolerance, or a need to take more and more of the drug to satisfy you
  7. Experience withdrawal symptoms (which may be different fro different drugs)
  8. Take the drug to relieve or avoid withdrawal