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Interestingly, what you have explained is what it is to be human. You have to give yourself personal time to be emotional, to express those things that allow you to release what you are holding inside. It is human to feel this way.
When people are afraid of certain emotions, they train their kids that those are the things you are not suppose to show and so the kids grow up thinking that to express emotion over things (even if it is an all day crying session) is wrong. It is not wrong. It is the expression of human emotion. It is how we deal with and interact with the world around us.
Through expressing such emotion, it is how we learn what methods allow us to cope with the unpredictability of everyday life.