Changes

The '''''[[instinct]]''''' is characterized by a [[biology|biological]] [[need]] giving rise to an intermittent ''excitation'' or tension within the [[biology|body]] -- such as ''hunger'' or ''thirst'' -- which can be [[desire|satisfied]] The [[drive]] differs from the '''[[instinct]]''' in that can it cannot be [[desire|satisfied]] and is characterized by the constancy of the pressure it exerts on [[consciousness]]. The [[drive]] differs from the ''discharged'[[instinct]]' '' in that it is characterized by the ''constancy'' of the pressure it exerts on [[consciousness]], and thus cannot be [[desire|satisfied]]. The [[drive]] differs from the '''[[instinct]]''' in that it is characterized by the ''constancy'' of the pressure it exerts on [[consciousness]], a and cannot be [[desire|satisfied]]. Unlike the '''[[instinct]]''', the [[drive]] is characterized by the ''constancy'' of the pressure it exerts on [[consciousness]], as a ''constant force'' that cannot be [[desire|satisfied]]. The [[drive]] differs from the '''[[instinct]]''' in that it exerts a ''constant pressure'' on [[consciousness]], as a ''constant force'' that cannot be [[desire|satisfied]].