□nmany□□□tur□s□ndsocietie□,i□□estisco□s□deredtabo□andisstrictl□forb□dde□.Theideaofromantic□rsexualrelation□hi□sb□t□ee□sibling□is□etwithshock,□is□□st,an□moral□utrag□.□heta□ Inmany□ul□ure□□n□soc□e□□es,□n□est□□consideredta□□oandi□stric□ly□o□bid□en.Theideaofromanticorsexualre□□tionsh□psbetweensib□ingsism□t□iths□ock,disgus□□andmora□□utra□e.Thetab Inmanyc□ltu□esa□dso□ieties,incest□s□o□side□□d□ab□oandisst□ictly□orbidde□.Theideaofromanticorsexua□re□□tionship□□et□een□ibli□□sismetwit□shock,disg□st,andmor□lout□□ge.Th□□ab□/p□ Inma□yc□lturesand□o□ieties,incestisco□si□ere□□abooand□sstrictly□orbidden.Theide□ofromanticorse□ualre□atio□shi□sbetweensiblingsismet□ith□hock,disgust,andmo□alou□ra□e.Thetab □nma□□culture□andsocieties,inces□isconsideredtab□□□nd□sstr□ctlyforbidden.Theid□a□froma□ti□or□exualrelatio□shipsbet□eensi□lingsi□metw□ths□ock,disgust,andmora□o□trage.T□e□ab