I think the answer to this is increased struggle in relationships.
Child labor is the correct answer
Well you dont have any following statements for me to answer, i can say one thing, weight and energy are the same because depending on if you are going to gain or lose weight, loseing weight causes more energy usage out of you and if you are gonna lay off and gain weight, it causes less energy being used out of you, energy depends on the weight
Positive family ties would lead to a greater sense of responsibility for one's self and one's family, so people with positive family ties are more motivated to engage in behaviors that lead to better health.