In that case
it's the not doing physical exercise.

Go out for a small jog tomorrow, you'll feel so much better a couple hours after.
(Frozen_Banana Shaved against the grain; thoroughly unrewarding., Sat 23 May 2009, 22:48, archived)

When I say week, I mean about 8 years

( magnum, Sat 23 May 2009, 22:49, archived)

Uh, yeah, well
...go out for a jog tomorrow... and bring a spittoon.
(Frozen_Banana Shaved against the grain; thoroughly unrewarding., Sat 23 May 2009, 22:52, archived)