01. Most Painful

For me it was last year December when bitcoin got to its ATH. At that time, I had no bitcoin to sell to join does who made profit then. Thereafter, I have been waiting for the same to happen but it keeps delaying

I do not know why you have answer your own story here unwantedly now. Priorly you need to share the issue happened the complete market and other things bro. If you ask me, I would go with the 2013 Mt Gox scam, 2016 before halving time, This year price fall after January 6th. These all things really coming to my mind when look about the shit time on the crypto currency mate.
Hope we will find price recovery to take the bitcoin price to again peak value in the market.
There are many occasions that were critical in the history of bitcoin. The first was in 2013 when China banned bitcoin trade which cause big dump in the price and most people withdraw their money from bitcoin. Another was in August 2017 when again China banned bitcoin and a person gave negative statement about bitcoin. Third was when the price dropped from peak to $6000.