Much of the growth over the past decade reflected the windfall of cheap euro interest rates, which stoked an exuberant consumer market, complete with smart cars, foreign travel and personal trainers.

On the way home, he and his brother were robbed by Indians of their deerskins and pelts, but the two remained exuberant over the land known as “Kentuck.”

This process, known as restenosis, has been described as "over exuberant" tissue healing and involves the smooth muscle cells.