□□manyculturesan□societ□es,incesti□□onside□□dta□ooandi□strict□yfor□idden.Th□ideaofromanticors□xualr□lationsh□psb□□weensi□ling□ismetw□t□shock,d□□g□st,andmoralo□trage.Thetab<□p> Inma□ycult□re□andsocie□i□s,□ncestiscons□□eredt□booan□isstrictlyforbidde□.Thei□ea□from□nticor□exu□lrelationshi□sbetweensib□ingsismet□ithshock,d□sg□s□,andmoraloutr□ge.□hetab □nmany□□l□ures□ndsoc□□ti□s□ince□tisconsidered□□□oo□ndisstri□tlyfor□idden.Theideaof□om□nticorsexualr□lat□o□ship□betweensib□in□sisme□□it□□h□ck,□isgust,a□dmoraloutrage.Theta□<□p□ Inmanycul□□re□□ndso□ie□ies,i□cestisco□sideredtab□oandis□tric□ly□orbidden.Th□ideao□romanticorse□ualre□a□ion□hipsbetweensi□lingsi□me□withsho□k,disgust□a□dmoraloutrage.Th□t□b Inmany□ultu□esa□dsocieti□s□inces□isconsid□redtabo□andisstrictlyforbi□den.Thei□eaofroman□ico□sexualre□ationshi□sbetwee□siblingsismetwi□hshock,d□sgu□t,a□d□o□alo□trage.Th□t□□ Inm□n□□ulture□andsoci□ties,i□□e□tiscons□dere□tabo□andisstrictlyforbidden.□he□d□aofr□man□icorsexualrelationshipsbe□w□ensiblings□smetwith□h□ck,disgust,andmor□lo□t□ag□.Thetab