When the king needed money to finance his debaucheries or to raise troops he had not considered the Marshal lavish.

Now that the Marshal was ruined the king censured him for his prodigality, held him at arm's length, and spared him no reproach and no menace.
"We may be sure Gilles had no reason to regret leaving this court, and another thing is to be taken into consideration.

He was doubtless sick and tired of the nomadic existence of a soldier.

He was doubtless impatient to get back to a pacific atmosphere among books.

Moreover, he seems to have been completely dominated by the passion for alchemy, for which he was ready to abandon all else.