All this volatility could be avoided if the current president simply did what we had come to expect from an office that has hard-won its integrity over centuries, namely to develop his policies in private, negotiate in private, manage his staff in private and pass his personal opinions in private.
Turnbull should strive to be "not too hot" and "not too cold." He needs to be "just right" in his interactions with a president who is by far America's most unpopular relative to his peers after one year in the job.
Notwithstanding his divisive and dangerous rhetoric, Trump's presidency has been marked by more orthodox policies than his opponents feared and his supporters expected.
Capturing the nation's imagination has always been an asset to presidential contenders. It has granted them instant name recognition, an ability to excite and mobilise the electorate, and the capability to pull in dollars for the long and expensive presidential campaigns.
It's the only thing that will stop the Trump tantrums: adult voters finally telling him he must grow up or get out.