Physical Pain Via Exercise

My whole body is a trembling muscle that has been thrown down a cliff, pushed over a waterfall and buried underground. At least, that's what it feels like. Exercise: is there some reason that we have to do all this work just to have the benefits? I mean, what would be so bad about being effortlessly ripped? Would it make us less appreciative of, I don't know, our ability to work or something? I'm all for no effort and all rewards; at least when physical pain is involved. Owwwwww.