Your Kidney: Afraid to stay up all night.
Your Stomach: Afraid of the cold food.
Lung: Afraid of smoke.
Liver: Afraid of fatty stuff.
Heart: Afraid of salty food.
Pancreas: Afraid of binge eating.
Intestinal: Afraid of eating seafood indiscriminately.
Eyes: Afraid of mobile phones and computers screens.
Gallbladder: Afraid of not eating breakfast.
Because spare parts may not fit.
They are very expensive and not necessarily in stock.