Answer:
Internal can be you don't want bad things happening to your body, you don't want drugs affecting your health,etc.External could be you don't want it to affect your family or people around you.For example, like a cigarette if you are smoking in public you can be affecting others passing by or hanging out with you(external)but if it's just you by yourself smoking it is damaging your lungs(internal)
Explanation:
B options is your answer bro
The answer is B.) Wellness is related to balanced improvement in all six dimensions of health. ^-^
Maybe it could be that their brains aren't fully developed and they are going through a lot of different hormones which makes things more intense emotionally.