Is the “one that got away” a real concept? can you actually move through life thinking you lost the best you’ll ever have?

I can imagine that it’ll be like “oh they were so sweet and kind and beautiful, I wish we could be together” rather than “how could I have let them get away!!! They will always be the best!!” And have this mindset for the next 69 years of living
It’s not a real concept
It’s very much real
Select gender and age to cast your vote:
Is the “one that got away” a real concept? can you actually move through life thinking you lost the best you’ll ever have?
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