Exercise and in particular, weightlifting. I've always run a few times a week, but things really changed for me when I started lifting. This won't be "rechargin

Exercise and in particular, weightlifting. I've always run a few times a week, but things really changed for me when I started lifting. This won't be "recharging" necessarily at first (though it will be eventually), but it will definitely increase the capacity of your reserves before you need a recharge.