He watched his children suffer as cystic fibrosis wrecked their lungs ( Colin died in his arms at age 11 ) .
Without the daily pull of the game , Stewart 's life lost its shape .
Stewart watched Stewart 's children suffer as cystic fibrosis wrecked their lungs ( Colin died in his arms at age 11 ) .
Without the daily pull of the game , Stewart 's life lost its shape .