And not many days after the younger son gathered all together, and took his journey into a far country, and there wasted his substance with riotous living. Not many days after - He probably hastened his departure for fear of the fine which he must have paid, and the reproach to which he must have been subjected, had the matter come before the civil magistrate. See above.
Riotous living - Ζων ασωτως, in a course of life that led him to spend all: from α not, and σωω I save. And this we are informed, Luke 15:30, was among harlots; the readiest way in the world to exhaust the body, debase the mind, ruin the soul, and destroy the substance.