What does it mean to be a kid at heart?
In my opinion, meaning of kid at heart is that if any individual act as a child to insist toys or play several sports including cricket, football, badminton, and many more. Sometimes childish activities may be beneficial in lowering stress and depression in the competition world.

Some individuals may childish act to enjoy or remember their childhood days when they were child. Childhood days is memorable and days of our life where kids independently enjoy without any tension of jobs and married life. When mature individuals remember their childhood days then they remember their parents and their enjoyable days.
When any individual meet with any childhood or school friend then they are very emotional and act childish to remember childhood or school days because childhood ir school days is very memorable and beautiful days for every person.
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Well said
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