YOU SAID:

my mother does not lie about my hight nor my age

INTO JAPANESE

私の母は私の身長や年齢に嘘をついていない

BACK INTO ENGLISH

My mother is not lying to my height or age

INTO JAPANESE

私の母は私の身長や年齢に嘘をついていません

BACK INTO ENGLISH

My mother is not lying to my height or age