After a boom, a fall is inevitable. Saying that Bitcoin will always go up and never go down can be nothing more than a false thought and wishful thinking. Know that even the crypto market cannot be stable, no coin can ever stay up forever, whatever coin goes up, it also goes down, even if it is Bitcoin, yes it can be said that the market, after going down, goes up again and if one trades it is because they have a good opportunity to buy their favorite coins and profit.
People who are new to the market panic when the market goes into such a condition and in that panic, many people get unprofitable and sell their coins at a loss because they are new to the market. If you have never seen such a situation before, don't worry, it's a part of the crypto market, and experience is gained by working so my advice to those who are new in the market is that they should not trade large amounts but trade small amounts with good coins so that they get experience while in the market.
This is the way to go and yet a lot of people never understand how the market works. I have to say, it is quite clear to me that if we are not careful with what we are doing, then we are going to end up with a lot of mistakes and that is why it is quite terrible to not see how it all works. If you "know" how the market works, then you will be happy when it goes up and you will be happy when it goes down.
You are happy when it goes up because obviously you made a profit and everyone is happy at that point aside from people who regret selling and not holding. You get happy when it gets lower because you find a good entry again which will go up eventually so you are happy that you are capable of buying a cheaper bitcoin than a month from now.