route82: As Christopher Ryan, author Terry Gould, and researchers Baker and Bellis have suggested, t
route82: As Christopher Ryan, author Terry Gould, and researchers Baker and Bellis have suggested, there is a biological response playing out here, that affects a male sexual drive. After watching their wife with another man, the husband is prompted biologically to have longer, more vigorous sex, has a shorter refractory period between erections, ejaculates harder, and his ejaculate contains more sperm. Nearly every couple I interviewed told me that after an episode of the wife having sex with another man, the couple felt like they were “in heat.” Source: Psychology Today, July 2010 -- source link