Store your value in fiat then, if you enjoy watching icecubes melt so much.
I sit on it while it appreciates.
Number go up.
The reason why it is capable of increasing, is because the number is fixed. Inflation would outstrip its value, if it weren't.
Bitcoin is useful. It has organic support. When it comes to storing value, other coins do not matter (nearly as much). Just ask PayPal, Mastercard, Microstrategies, Tesla, JP Morgan, GrayScale, etc.