Across:

1. to think about a difficult decision very carefully and with a lot of effort

3. the period of your life when you are between 13 and 19 years old

5. when someone or something is not good or not as good as someone or something else

7. to succeed in dealing with a difficult problem or situation 

Down:

2. a good idea about what you should do, write, say etc, especially one which you get suddenly

4. a single feature, fact, or piece of information about something

6. freedom from difficulty or hardship or effort

8. very sad; especially involving grief or death or destruction