Effects of Cold on Morale: Cold produces lethargy. apathy, and slow and clumsy reactions which are accentuated by bulky clothing. Depression and discouragement, and a firm conviction that they are doing more than their share of the necessarily heavy work, are present in the minds of many individuals. Operations in Snow and Extreme Cold (FM 70-15, 1944)
I have to admit, this strikes a chord with me! As we face the highs and lows of winter in Colorado, a set of War Department documents from DPL's government documents collection shows an earlier generation coping when the work was heavier and clothes bulkier.