Eighty-nine is just fine for any age. IQ means little or nothing in the real world. What matters is trying your best and doing the best you can.
Ages (16-89)
-16 + 89 = 73
Arturo Toscanini died on January 16, 1957 at the age of 89.
Robert Stanfield died on December 16, 2003 at the age of 89.
Lew Andreas died on June 16, 1984 at the age of 89.
Gratien Gélinas died on March 16, 1999 at the age of 89.
Jean Monnet died on March 16, 1979 at the age of 89.
Robert Stanfield died on December 16, 2003 at the age of 89.
Henry Taube died on November 16, 2005 at the age of 89.
Lew Andreas died on June 16, 1984 at the age of 89.
Gratien Gélinas died on March 16, 1999 at the age of 89.
Arturo Toscanini died on January 16, 1957 at the age of 89.