Y?u don’t h?v? to d? either to h?v? a gr??t t?m?, but ??u’ll f?r?v?r kick ??ur??lf ?file ??u d?n’t.The ??n???u?n??? of ??t?v?t?ng opioid r????t?r? w?th ?xt?rn?ll? administered ?????d? such ?? h?r??n (v?r?u? n?tur?ll? ???urr?ng chemical compounds inside of ?ur bodies) d???nd ?n a v?r??t? ?f things: how mu?h ?? u??d, wh?r? in th? brain ?r b?d?