"Extra effort," in whatever form it takes (mental, physical, emotional), cannot be sustained without eventual damage and diminishing returns. There has to be a very acute awareness on your part as to the level of exertion and the toll it's taking on those you lead.
Bill WalshOn occasion I omit commas. On occasion, I use them. (The more you know about English, the less you're likely to think there are unbreakable "rules" for a lot of these things.)
Bill Walsh90 percent of the time the terms are misused or unnecessary. Not every image obtained from a computer is a screen shot.
Bill Walsh