Method number 2.

A meal also raises mood, as from physiology a nerves system has an own structure one, is neuron, he gets info, analyzes and transfers for next same cell, as neurons produce inside substances, like narcotics, as endorphins,improving moods,lows ache feeling.
And serotonin takes part for impulse   transfer from one nerve cell till other, as serotonine normal if,thus a raises info transfer in brain, as we getting to place by metro, where is hot,peoples many of, and long time,and other we visiting by taxi,where is free, comfortable and mood from this is better,as from clear, right work for an own structures.