Why does the phrase “working feverishly” mean to work hastily and with great effort…

…when in reality, working feverishly means sluggishly, gingerly or from a fetal position on the couch, preferable in a darkened room with hushed sounds?

Note to self: do not stop the ibuprofin regimen just because you woke up feeling better. Such delay in medication means you crash that much harder when the day gets underway.

Happily, Bill is either at the airport or in the air on his way home from Germany. He won’t get home until after bedtime, but perhaps having that light at the end of the tunnel will sustain me.