Psalm 119:84 How many are the days of thy servant? when wilt thou execute judgment on them that persecute me?
Psalm 90:10
Psalm 90:10 The days of our years are threescore years and ten; and if by reason of strength they be fourscore years, yet is their strength labour and sorrow; for it is soon cut off, and we fly away.
“labour and sorrow”
This is the curse from Adam.
17 And unto Adam he said, Because thou hast hearkened unto the voice of thy wife, and hast eaten of the tree, of which I commanded thee, saying, Thou shalt not eat of it: cursed is the ground for thy sake; in sorrow shalt thou eat of it all the days of thy life;
18 Thorns also and thistles shall it bring forth to thee; and thou shalt eat the herb of the field;
19 In the sweat of thy face shalt thou eat bread, till thou return unto the ground; for out of it wast thou taken: for dust thou art, and unto dust shalt thou return.
Jubilees 23:15 Then they shall say: ‘The days of the forefathers were many (even), unto a thousand years, and were good; but behold, the days of our life, if a man has lived many, are three score years and ten, and, if he is strong, four score years, and those evil, and there is no peace in the days of this evil generation.’
Jubilees 4:30 And he lacked seventy years of one thousand years; for one thousand years are as one day in the testimony of the heavens and therefore was it written concerning the tree of knowledge: ‘On the day that ye eat thereof ye shall die.’ For this reason he did not complete the years of this day; for he died during it.