Both christians and muslims must remain chaste until marriage
there is a young christian movement in america called 'the silver ring hing' to promote chastity. wearinf a silver ring on their wedding finger reminds them to remain pure
Catholics nuns, monks and prieststake a vow of celibacy to dedicate their lives to serving god
Islam teaches that adults are meant to have a companion for life, so celibacy is not required