indulge in arbitrary decisions and peremptory actions; act arbitrarily; act dictatorially; act personally in all matters; decide and act alone (without advice from others); decide and act arbitrarily; decide and act on one's own responsibility; go one's own way; make a dictatorial decision; make arbitrary decisions and act dictatorially; make arbitrary decisions and take peremptory actions; paddle one's way on [in] one's own canoe; take one's own course:
None of this was discussed or communicated to me. He went his own way.