BTC's value is whatever you believe it is.
Do you believe btc's value is $12k because some exchange tells you?
BTC's real value for you is the price that'd make you cash em all out.
Nothing else. From which price would you cash out? $100k? That means your price is $100k for a coin.
Thats a wise thought.
It also works with most of cryptocurrencies and stocks out there.
And for most of newbie investors its a big piece of knowledge to have - its always up to you when to sell.