" Kids are more resilient than adults. They can bounce back from hurtful situations. At most, they will cry until it stops hurting. But adults aren't like that. They can't cry easily. The scars from the hurtful times often ache at unreasonable moments of life. They can't smile like kids either. Unlike the kids, adults can barely be optimistic about a bright future. They already know that life is more about winters than springs. So, they compromise. Often, an adult learns to be happy even during the cold winters. But the adult is never too happy. The unfiltered happiness that only a kid can show becomes something of a utopian myth for an adult. So, when an adult sees a kid who can smile without any hesitation, they often try to smile along with the kid. "

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