Imperceptibly as grief

• Uncontrollable - ' A courteous , yet harrowing grace '
• Gradually / suddenly - ' As imperceptibly as grief '
• Creates sadness / feat ( or opposite ) - ' thus without a Wing or service of a keel '
• Ageing / loss of innocence - ' Our Summer made her light escape , into the Beautiful'
• Season / environment changing (symbolises mood) - ' The morning foreign shone '