[jernfrost]

The feedback loop is definitely a major component. It is why I've frequently entertained the thought of doing drugs. Simply because I feel a need for something to help me get started down the right path. Exercise, eat better, see friends, actually complete stuff properly at work etc.

Depression has a tendency to put you in a state where you are just barely holding on to life and doing anything extra each day to improve your condition seems like an insurmountable obstacle.