Possible Clues:

• Ending
• Stoppage
• Sense of psychological completeness
• It is so cruel to organise a shutdown
• Conclusion correct about sun-up
• Co-rules (anag.)
• Cruel, so to manipulate end of debate
• Feeling that it's really over
• Settlement giving psychological satisfaction
• "I know that it's over / I don't need your ___" (Taylor Swift)