Dependence is psychological when a drug becomes the center of a person's thoughts and emotions, to the point that, if the consumption of this drug is stopped, that person will enter a state of discomfort and malaise so deep that they will not be able to initiate any activity, or initiate thoughts that are not related to drug use.
In other words, we can say that addiction becomes something psychological, when the existence of a drug and the sensation it promotes, becomes the only thing a person can think about.
