If morals weren ' t given access to Amen because they would burn out too quicklyHmm . This passage is kind of ambiguousFor it is not theland of Manw that makes its people deathless , but the Deathless that dwell therein have hallowed the land andthere you would but wither and grow weary the sooner , as moths in a light too strong and steadfast . ' I ' m 100 % not sure this means they would die faster or something otherwise . I know it is usually interpreted that way . The following passage from JRRT ' s essays in HoME seems to suggest another interpretationLet us suppose then that the Valar had also admitted to Amansome of the Atani , and so that we may consider a whole life ofa Man in such a state that ' mortal ' children were there born , aswere children of the Eldar . Then , even though in Aman , amortal child would still grow to maturity in some twenty yearsof the Sun , and the natural span of its life , the period of thecohesion of hroa and fea , would be no more than , say , 100 years . Not much more , even though his body would suffer nosickness or disorder in Aman , where no such evils existed . Unless Men brought these evils with them as why should theynot ? Even the Eldar brought to the Blessed Realm some taint ofthe Shadow upon Arda in which they came into being . But in Aman such a creature would be a fleeting thing , themost swiftpassing of all beasts . For his whole life would lastlittle more than one halfyear , and while all other livingcreatures would seem to him hardly to change , but to remainsteadfast in life and joy with hope of endless years undimmed , he would rise and pass even as upon Earth the grass may risein spring and wither ere the winter . Then he would becomefilled with envy , deeming himself a victim of injustice , beingdenied the graces given to all other things . He would not valuewhat he had , but feeling that he was among the least and mostdespised of all creatures , he would grow soon to contemn hismanhood , and hate those more richly endowed . He would notescape the fear and sorrow of his swift mortality that is his lotupon Earth , in Arda Marred , but would be burdened by itunbearably to the loss of all delight . It seems more like a spiritual and moral withering than a physical one .