But when a direction is chosen freely and followed wholeheartedly, it may seem that all things further the going. So the possibility and actuality of separation often served to strengthen the loyalty of partners. To maintain genuine spontaneous fidelity in a society that had no legal or moral sanctions against infidelity, and to maintain it during voluntarily accepted separations that could come at any time and might last years, was something of a challenge. But the human being likes to be challenged, seeks freedom in adversity.