It flows away from the digestive system, which is not considered necessary for immediate survival and actually takes a lot of energy to run. (mindbodygreen.com)
We are constantly confronted with people who simply can not afford to take a long view because they are faced with choices of immediate survival. (rachelheldevans.com)
Everything is a struggle, and life has worn us out to the point that any kind of work beyond immediate survival feels like an overwhelming task. (health.com)