Sitting on your wallet? That's a big no.
When you were growing up, your parents or teachers probably told you to sit and stand straight, instead of slouching your back and shoulders. They themselves may not have exactly known why that was important, it just seemed that way. But more recent science has found that they were actually right in many more ways than they imagined.
There's no question our society has a posture problem. Between hunching down over our desks, carrying around way too much