[liotier]

> Action-packed and gratifying? Sure. Fun? No.

I looked up the etymology of "fun" and you are right - Middle English fonne, fon (“foolish, simple, silly”).

That said, I'll take action-packed and gratifying over fun any day.

Also, emergency medical doctors are extremely foolish people during their down time - medicine has an old tradition of utter silliness when it is time to blow off steam from the job's pressure. So there, fun too !