I think bro, you are the luckiest people in this crypto industry because you owned 12BTC which is considered a very big amount of money when properly manage. I would suggest that keeps on investing cryptos with great potential to grow and you will become a billionare investor in the near future.
I think this guy was lucky. Even if he does not invest anywhere in his bitcoins, he can simply do nothing and wait about three to four years. And its amount will multiply many times.