Here we are going to discuss the emotions pertaining to the words "Lost and Found". It is an emotion which is a combination of multiple emotions acting in a sequence. When we loose something it makes us feel bad or we feel sad. The feeling of loss is a negative emotion. This often makes us feel powerless and weak. On the other hand when we gain or achieve something, it makes us feel happy. The feeling of winning is a positive emotion. Which makes us feel capable and strong. Now when we have something then loose it and finally find it back again. We feel a joy which is greater than that of just having something. If there were an instrument which could measure the levels of positivity and negativity of emotions; it would show that positivity the positive emotion of winning is not as much as the positive emotion of winning after a loss.
Like the bollywood movie, Baazigar. Where the Anti-Hero says.
"Haar ke jeetne waale ko baazigar kehte hai."
SPOILER ALERT !!!
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Sadly there's no happily ever after for him as he dies in the end of the movie.