In□any□ul□uresa□ds□cieties,□nces□isco□sidere□tabooandisstr□ctlyforbid□□□.Theideaof□om□ntic□rsexualrela□ionsh□psbetweens□bli□gsi□metwithshock,d□sgu□t□andm□raloutrage.Th□tab Inman□culturesand□□ci□ties,i□ce□t□□co□side□edt□□ooandisstrictlyforbidden.Theide□o□roma□ticor□exualrelat□onshipsbetwe□n□iblingsisme□w□□hshock□dis□u□□,andmoraloutrage.Thetab□><□>Inman□c□lturesandso□ie□ies,□ncestisc□n□id□redtabooandi□strictly□orbidden.Theid□aofroma□□icorsexua□relationshipsbetwe□nsi□li□gsis□etwi□hsh□□k,di□□ust,□ndmoral□□trage.Thetab □nm□nycu□tur□sandsocietie□,incestisconsideredt□booan□is□trictl□forbidden.Theid□aof□omanticorsex□alrel□□□ons□ipsbet□eensibl□ngs□s□etw□t□s□ock,□isgust,andmor□loutrage.Thet□b