Arteriosclerosis is the hardening of arteries, sometimes because of plaque or fatty buildups and blockages. This restricts blood flow and could trigger a heart attack or stroke. Some organs may not receive an adequate blood supply and this may lead to organ failure.
It’s saying if you appreciate what you have, you won’t want more. You like what you have. If you concentrate on what you don’t have, “you will never have enough” because you can’t have everything!