Historical clue formulations

• "Affliction" for those close to graduation — 2021-10-19
• Certain drop in motivation — 2014-12-19
• Malady that typically worsens in the spring — 2011-10-15
• Cause of slacking off at school — 2011-05-06
• High-class affliction? — 2010-11-27
• Almost-grad's "disease" — 2010-02-18
• High school grad-to-be's "illness" — 2003-10-16