In□anyc□lt□resandsoc□et□es,i□ce□tisconsideredtab□oand□sstrictlyforbidde□.□heid□aofro□anticors□□ualrelatio□shipsbe□w□ens□□lingsismetwithshock,disgust,an□mor□lout□age.Thetab□/p> I□m□nyc□lt□r□sandsoc□eties,□nce□tisconsideredtabooandiss□rictlyfo□□idden.Theideao□rom□n□ic□r□exualrelationshipsbet□eensiblings□sm□twith□hock,disgust,andmoraloutra□e□Thetab □nmany□u□tur□□andsocieti□s,in□estiscon□ideredtab□oa□disstrictlyfo□bi□den.Theideaofrom□n□icors□xualrel□tio□ship□bet□eensibli□gsis□etwi□hsh□ck,□isgust,□ndmoraloutr□g□.□□etab