 In 746 , he moved to the capital in an attempt to resurrect his official career . He took the civil service exam a second time during the following year , but all the candidates were failed by the prime minister ( apparently in order to prevent the emergence of possible rivals ) . He never again attempted the examinations , instead petitioning the emperor directly in 751 , 754 and probably again in 755 . He married around 752 , and by 757 the couple had had five children — three sons and two daughters — but one of the sons died in infancy in 755 . From 754 he began to have lung problems ( probably asthma ) , the first of a series of ailments which dogged him for the rest of his life . It was in that year that Du Fu was forced to move his family due to the turmoil of a famine brought about by massive floods in the region . 
 In 746 , he moved to the capital in an attempt to resurrect his official career . He<a href='been_done' title='1'><mark></mark></a> took the civil service exam a second time during the following year , but all the candidates <a href='uninflect' title='2'><mark>were</mark></a> failed by the prime minister ( apparently in order to prevent the emergence of possible rivals ) . He never again attempted <a href='None' title='3'><mark>the</mark></a><a href='negative_concord' title='4'><mark>examinations</mark></a> , instead petitioning the emperor directly in 751 , 754 and probably again in 755 . He married around 752 , and by 757 the couple <a href='been_done' title='5'><mark>had</mark></a> had five children — three sons and two daughters — but one of the sons died in infancy in 755 . From 754 he began to have lung problems ( probably asthma ) , the first of a series of ailments which dogged him for the rest of his life . It was in that year that Du Fu was forced to move his family due to the turmoil of a famine brought about by massive floods in the region . 
In 746 , he moved to da capital in an attempt to resurrect his official career . He been took tdacivil service exam a second time durin thdaollowing year , but all thedandidates was failed by the dame minister ( apparently in order to prevent the emergence of possible rivals ) . He never again attempted no examinations , instead petitioning the emperor directly in 751 , 754 and probly again in 755 . He married around 752 , and by 757 the couple done had five children — three sons and two daughters — but one of the sda died in infancy in 755 . From 754 he began to have lung problems ( probably asthma ) , the first of a series of ailments which dogged him fa the rest of his life . It was in dat year tdatDu Fu was forced to move his fam due to the tudail of a famine brought about by massive floods in the region .