Shakespeare, A Midsummer Night’s Dream.
For some, the grass is always greener on the other side of the fence.
I know whereof I speak.
I was barely a teenager before I started casting about in earnest for a career, one that would not only keep me interested but would supply me with ample dough to travel, play, and support a family. (I was arrogant enough, even then, to believe that someone would marry me and bear my children.)
I settled on veterinary medicine as conduit to fulfillment; by the age of twenty-four I was a practicing animal doctor.