Sure it factors. That's why pills help during the withdrawal, because they don't trigger the full pleasure ritual, which includes taste, smell and anticipation.

Sure it factors. That's why pills help during the withdrawal, because they don't trigger the full pleasure ritual, which includes taste, smell and anticipation. But note that every ounce of pleasure you extract from drinking coffee is exactly balanced by the pain of withdrawing from it. (And, in between, successive cups do not generate additive quantities of pleasure.)