大好きな吉井さん（吉井和哉:ex the yellow monkey）のライブに行って、翌日になってもまだ夢見心地だった私の状態をSNSのステイタスに書き込んだ。
- be walking/floating on air＝「夢見心地で、とても幸せで（to feel very happy）」。airにtheはつかない。
- Ann was walking on air when she got the job.
- On the last day of school, all the children are walking on air.
- She was walking on air after she found out she'd won the teaching award.
- Sophie has been walking on air since her painting won the first prize