When people who try to lose weight cheat on their diets, they get very frustrated with themselves for not being able to stay with their new eating regime and berate themselves for not changing their patterns.

• 你往往比如，人们想要节食减肥，却又管不住自己的嘴，他们常会因为不能坚持新的饮食习惯而沮丧万分，因改不掉老习惯而白责不已。