We know from research that most New Year's resolutions last only a month or two. Willpower is in short supply. We lose focus. Things change.
원문출처 : https://www.cnn.com/2018/12/18/health/micro-resolution-wisdom-project/index.html
원문출처 : https://www.cnn.com/2018/12/18/health/micro-resolution-wisdom-project/index.html