1. He was on cloud nine after winning the competition.

2. When Michael was born I was on cloud nine.

3. She has been on cloud nine since the magazine printed the story she wrote.

4. She's been on cloud nine ever since she heard the news.

5. I recognised it right away, and I was on Cloud Nine.

6. Adam was on cloud nine after the birth of his son.

7. The couple seemed to be on cloud nine.

8. He will be on cloud nine when he gets some complimentary words.

9. New York couple really will be on cloud nine when they marry later this month: they'll exchange vows in zero gravity.

10. Hey,[] Bob. You seem to be on cloud nine. What's the big news?