Antecedent: Languor.
Premise: Calamity.
Instrument: Introspection.
Conclusion: ___________.

Cover art is A short time after forever by oneofnumbers. Sadly, their DeviantArt account is untraceable at time of writing.

Experimental entry to Bicyclette's A Thousand Words Contest II. Check out the other entries.
Huge thanks to Merriam-Webster Dictionary and Dictionary of Obscure Sorrows.