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.