The willpower "battery" can be recharged or trained (it's also a willpower "muscle"). I reviewed some of the research last year: http://jonathan.graehl.org/miti

The willpower "battery" can be recharged or trained (it's also a willpower "muscle"). I reviewed some of the research last year: http://jonathan.graehl.org/mitigating-ego-depletion http://jonathan.graehl.org/mitigating-ego-depletion and http://jonathan.graehl.org/evidence-that-self-control-can-be-trained-lik http://jonathan.graehl.org/evidence-that-self-control-can-be...