Jeez Louise. I know why rich people are so thin: it's from trekking around their humongous houses the whole time.
All you really need to do is shift people just a tiny bit for change to happen. It doesn't have to be huge and humongous.
The solar system is so humongous big.
When we are artists, researchers, or writers, we choose what we do with our time, who we talk to. Of course we have commitments, but the amount of freedom we have with what to do or what to research is humongous compared to others.