Crying is good for releasing emotional tension, and like BC said, good for you. Can you imagine what would happen if you bottled up EVERY single time you felt like crying? There comes a point when there's just no more space, and then what happens if you 'explode' or 'implode' as a result? I assure you, it's N0T pretty. Besides, who has to know you're crying? What people? You can cry in private, most do. I'm a cryer, the people who know me knows it, but they also know that I'm nobody's doormat.
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Crying=good