battery life

ever picture yourself as a battery?

well you know, sometimes you just try to do everything in your power to maximise your day, doing all you can until you have almost no energy left? i think i do that sometimes. suppose it is a good thing. just that i don't do it often, otherwise it could get tiring too. on other days, you just do what you do normally, and by the end of the day you still have that last quarter of energy or something in you. but not on one of these "maximising" days. you would choose to, on these days, to start off early, and use up all the energy you have for that day right up until you feel like you could fall asleep anywhere. but of course you'd do all that willingly, because you are enjoying all that you are doing. what the heck am i talking about? i'm probably thinking of humans as batteries that's all. recharging ourselves daily, only to expend our energy the next waking moment...