Examples:

• She's on cloud nine after getting the job offer.
• He was on cloud nine when his team won the championship.
• I was on cloud nine when I saw my baby for the first time.
• She's on cloud nine about her new boyfriend.
• He was on cloud nine when he got a promotion.
• I'm on cloud nine about my vacation to Hawaii.
• She's on cloud nine after getting married.
• He was on cloud nine when he passed his driving test.
• I'm on cloud nine about my new car.
• She's on cloud nine after winning the lottery.
• He was on cloud nine when he graduated from college.
• I'm on cloud nine about my new apartment.
• She's on cloud nine after having a baby.
• He was on cloud nine when he got a raise.
• I'm on cloud nine about my new job.
• She's on cloud nine after buying her dream house.
• He was on cloud nine when he got a perfect score on the test.
• I'm on cloud nine about my upcoming vacation.
• She's on cloud nine after getting engaged.
• He was on cloud nine when he received the award.