10 Daily Habits of Exceptionally Happy People

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"I will not say yes when I really mean no."

Refusing a request from colleagues, customers, or even friends is really hard. But rarely does saying no go as badly as you expect. Most people will understand, and if they don't, should you care too much about what they think? When you say no, at least you'll only feel bad for a few moments. When you say yes to something you really don't want to do you might feel bad for a long time -- or at least as long as it takes you to do what you didn't want to do in the first place.