I sing in a choir https://digit.ng/stmap_28fafri.html?poxet.procyclidine.bupron.levitra ilhamed.com.br  Humas are so not monogamous, there are defensive sperm who never progress beyond the vagina to combat sperm moving in from another guy immediately following them. This is a product of at least a few million years of evolution. Birds are inaccurately portrayed as 90% monogamus, tho we KNOW they are so not monogamous we have watched females of many species have multiple couplings with different males while the dumb "husband'' is off seaching tor twigs for the nest.