I've gone through a lot too in this long period too. Apart from that massive drop I mentioned and other subsequent rises and massive crashes, I have also witnessed so much FUD be spread about Bitcoin!
I'd say one of the major ones was from a bitcoin core developer called Mike Hearn who one day called bitcoin a failure (a failed experiment IIRC) and sold his coins and got out!!! And mainstream media went bananas over it, they had found the ultimate FUD and were running with it everywhere.
I don't think today anybody even remembers Hearn anymore and Bitcoin is still going strong...
This is exactly why I said the early investors and holders are definitely different from the new adopters, currently if there is something about maybe exchange getting hacked you see all the panic in the market with weak hands trying to sell of all, or when there is some little conflicts or even a particular country getting into a tariff war. I usually say this are just little storms that only a weak hand will fall into because an old bitcoin holder who has experienced a developer leaving will see this as just another news again.
Personally threads like this are remind of how far bitcoin has come and the very long road ahead, 1B% increase in just 15 years is something I don’t think any asset which such value as bitcoin had ever done before, this also gives optimistic hope that $1m is just another price that bitcoin will definitely get too even though the volatility is not going to be like in the past, so everyone saying this is the top isn’t ready