My background is in Economics, Bachelors. I usually hear people here say

"lift"

"get money"

" improve social skills"

Is smv therefore a dependent variable with all these listed factors functioning as independent variables?? How do we rank characteristics that influence SMV the most? As regards probability if we gain 30 kg in muscle while getting a raise at work of $15,000 our smv is affected in turn and increases our probability of mating. I'm just wondering how to optimize