Anexperimentontheaffectsexhasondiet. 　　Yeong-gyuandTae-joonaremakingadocumentary. 　　Thefirstweek,theyhavesexoncewithonewoman. 　　Thesecondweek,theyhavesextwicewithtwowomen. 　　Thethirdweek,theyhavesexth...