Used by Henry V, because he spoke French and was also the King of France.
First used by Richard I in 1198 as a password, where he defeated Phillip II at The Battle of Gisors; Richard believed that he owed his Kingship to no other, than God.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.