Growing old means slowing down the metabolism activity of an organism that ultimately leads to death of the organism; You need not worry about growing old as Wisdom belongs to the aged, and understanding to the old,” says Job 12:12, reminding us of the value of speaking with older adults.
Psalm 37:23-39, explains
“The steps of a good man are ordered by the Lord: and the delighted in his way”. “Though he falls, he shall not be utterly cast down: for the Lord uphold him with his hand”. “Turn from evil and do well: then you will dwell in…” The salvation of the righteous is of the Lord: he is their strength in the time of trouble”.
Isaiah 46:3, 4 tells
“Listen to me, you descendants of Jacob, all the remnant of the people of Israel, you whom I have upheld since your birth, and have carried since you were born”. “Even to your old age and grey hairs I am he, I am he who will sustain you. I have made you and I will carry you: I will sustain you and I will rescue you”
Always trust in the Lord, and do good; dwell in the land and befriend faithfulness. Delight yourself in the Lord, and he will give you the desires of your heart.