Many people regretted spending their Bitcoin because, they don't know that it would become a high value asset in the present. Like my friend, who have a couple of Bitcoin years ago and have spent it on buying online products losing his asset that would have make him wealthy in the present. Maybe years from now, if people would not have hold Bitcoin, maybe they would again regret selling it instead of holding. Investing in Bitcoin is good and also risky but, we should trust it and whatever might happen, keep it, because I think Bitcoin has a lot of potential in the future.