I□m□ny□ultur□s□ndsocie□□e□,ince□tisco□s□d□redtabooa□disstrictlyforbidden.Theideao□roma□t□cor□□□□alrelationshipsbetw□ensiblingsism□□withshock,disg□st□andmoralo□tra□e.Thetab□□ Inman□culturesan□societies,in□esti□conside□edtabo□a□□□sstrictlyforbidden.T□eideaofr□manticor□ex□a□relationshipsbetwe□nsi□l□ngsi□me□withsh□ck□□□sgust,and□or□l□ut□ag□.□heta□ Inman□culturesan□societ□es,inc□stisconsi□eredtabooan□is□□rict□y□orbid□en.Theid□□ofro□anti□orse□ual□ela□ionshipsbetweensiblingsismetwithsho□k,□isgust□an□moraloutrage.Thetab Inmanycu□turesands□cieties,ince□tisconsideredt□booandiss□rictl□f□rbidden.Theideaofromanticorsex□al□□lat□onships□e□weensiblingsismetwithshock,disgus□,andmoraloutrage.Thetab□>