We are a product of our decisions and experiences. What happened is always for the best, because you became who you are today. Many times when we are young we hide our emotions, I think we were not taught how to handle them, but as time goes by and we reach our maturity we face them with more sanity and understanding. We always look back with nostalgia, but who we were brought us to who we are today.
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There's nothing to argue about this statement. No matter how others deny that fact, it will always be the one reason why we became the person of today. It's mysterious how change makes the best out of us.