Hover Wasp Workers of the World, Unite!
"Firstly, the fact that labour is external to the worker – i.e., does not belong to his essential being; that he, therefore, does not confirm himself in his work, but denies himself, feels miserable and not happy, does not develop free mental and physical energy, but mortifies his flesh and ruins his mind. Hence, the worker feels himself only when he is not working; when he is working, he does not feel himself..."
Future fitness and helping in social queues, Field et al, Nature, 441, 214 11 May 2006
"An alternative explanation for this variation lies in a fundamental trade-off faced by helpers: by working harder, they increase the indirect component of their fitness, but simultaneously decrease their own future survival and fecundity. Here, we show that individuals work less hard when they stand to lose more future fitness through working. "
Neat result actually.
And, no, it doesn't translate directly into Halliburton subcontractors. Not directly.