In□a□ycul□ure□and□ocieties,□ncestis□onsid□redtabooandisstrictl□f□□bidden.Theideaofromanticorsexua□relati□nships□etwee□□iblingsi□me□withshoc□,dis□□□t,andmo□al□utr□g□.□hetab□/p> Inma□yc□lturesa□d□ocieties,□n□estis□ons□deredta□oo□ndisstrictlyforb□dden.Theideaof□o□anticor□exua□relati□nsh□psbet□een□iblingsismetwithshock□disgust,a□dmoralo□t□age.□he□ab□> Inmanyculturesan□societies,□nc□stis□on□id□redtabooand□□s□□□ctlyfor□id□en.T□ei□eaofroman□□co□sex□alre□□tionship□betwee□si□lin□sismetwithshock,disgust,andmor□l□utrage.Thet□b