She seemed more interested in tips on good restaurants than guidance on tennis but also seemed happy with the lesson.

WSJ: The hard reality of teaching tennis

In that time, a teacher can fix a shank or get somebody to slice the ball less, and everyone leaves the lesson happy.

WSJ: The Wrong Way to Practice Golf | Golf Journal by John Paul Newport

Mr Kujau was proud of his skill and, in later life, was always happy to give a quick lesson on forgery to reporters.

ECONOMIST: Konrad Kujau

I'm irritated by people who try to find some happy-ever-after improving lesson from this.

CNN: The necessary evil?

John Muir said one lesson from the ordeal -- even with the happy ending -- is that hikers should plan first and plan for the worst.

CNN: See daring rescue of hiker

The lesson was about how we can tell when someone is happy or sad.

NEWYORKER: Most Likely to Succeed