Sidevalve:
lolipop:
(1)Poor wages for a poor company
(2) your absolutely desperate for cash
(3) Living to work and and not working to live because you have no social life (not surprised doing them hours)
(4) Trying to impress the Boss manWhich
- Didn’t pay any attention during the numerous times drivers’ hours rules was taught in DCPC.
(6.) On way to falling asleep at wheel/first heart attack/total burn out …or maybe all 3. 
Seen it many times over the years, no plans to sample any of the 3 myself. 