puzzle time

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Across
  1. 4. to stop living
  2. 5. a problem
  3. 8. the lowest part of something
  4. 9. error or wrong
  5. 11. thinking or talking about the good parts of a situation
  6. 13. unhappy
  7. 15. to do something without making a mistake
Down
  1. 1. something a group of people usually do
  2. 2. when two people get married
  3. 3. to ask someone to join an event
  4. 6. global
  5. 7. when a life finishes
  6. 10. opposite of negative
  7. 12. not polite
  8. 14. not understanding