"Number go up" is weirdly powerful, psychologically, whether it's the number in your brokerage account, or the number of karma points you have on Hacker News. W

"Number go up" is weirdly powerful, psychologically, whether it's the number in your brokerage account, or the number of karma points you have on Hacker News. Well, there's a number that people in Alcoholics Anonymous keep track of: The amount of time since your last drink. "Number go up." So how about keeping track of the time since you last watched a YouTube video?