I bought a bitcoin what 0.0003 BTC last year November with only money that left with me when I finished my program and named it investments, many of my friends started laughing that my money has gone and bitcoin will fall and is out of surprised bitcoin moved to 19k, 20k, 30k and 40k, so I'm excited for having double of my btc within some months, I want to know if I will sell it or withdraw it, because is a investment money not for spending.
alongside being a digital cryptocurrency, the fluctuating nature of the value if BTC makes it an high value return asset (with returns a cut above others that it became an institutional level asset ) ,
now to your question you can pull out and spend your profit if you really want that profit to go decay or you can just invest in other crypto by studying and analysing their growth.