My grandfather has become more stubborn than ever.
Grandfather is still very active for his age.
As his age advanced [With advancing years] my grandfather got more and more hot‐tempered.
The older my grandfather got the more short‐tempered [《口語》 grouchy] he became.
Grandfather is quite senile.
His grandfather is still very healthy for his age.
Grandfather has retired because he is getting old.
My grandfather had the capacity for tolerance.
My grandfather is young at heart.
Your grandfather is older than my grandmother.
My grandfather has not been feeling well these days.
Both his grandfathers are dead.
My grandfather is in good health generally.
My grandfather on my mother's side passed away ten years ago.
My grandfather ended his days in peace.
My grandfather was always grumbling about something or other.
The old man rejuvenated when he became a grandfather
My grandfather and grandmother are alive and well.
My grandfather is the eldest.
My grandfather lived a long life.