Your mental feelings, they could affect your want to have physical activity. and your eating habits. if you make yourself sick when you eat, you might feel exhausted, meaning you would lack in physical activity.
They all coincide with each other although they are each individually important exercise and your diet are connected,you can't have too much food and run a marathon without cramping. Too much stress will have an effect on the consistency of your diet and your diet on your exercise, now heredity is a whole other realm, you cannot control that or change it. But if you are so worried about your heredity then you should seek counseling with a mentor or a paid counselor because that will affect all of your overall health.
the answer is a. skin color