The author of the article is actually promoting the concept of "use it or lose it" with this point. Labor-saving can become excessive if it robs you of any oppo

The author of the article is actually promoting the concept of "use it or lose it" with this point. Labor-saving can become excessive if it robs you of any opportunity to exercise your body or mind. She's really suggesting that you don't always reach for the calculator for simple math problems or hop in the car for short trips.