Please don't post vague titles. Here's an improvement:

Price actually matters, but your friend needs to chill out and zoom out a bit. Perspective will help here.

It's crucial to understand that with Bitcoin we trade short-term volatility for long-term appreciation.

Fiat is the complete opposite: short-term stability, but long-term depreciation.

Guaranteed!

Maybe a bit verbose, but I find Bitcoin is Venice by Allen Farrington to be a good exploration of "why bitcoin". Link ==> https://allenfarrington.medium.com/bitcoin-is-venice-8414dda42070

US homes have not increased in value, your dollar is just worth less. http://pricedingold.com/us-home-prices/

"If You Sell a House These Days, the Buyer Might Be a Pension Fund" https://archive.ph/SQN1g

Asset-Backed Securities include mortgages. The federal reserve is giving the banks the money they'd otherwise only get from people paying off loans: https://www.federalreserve.gov/monetarypolicy/bst_recenttrends.htm

(The government is the reason you can't afford a house)

About Occupy Wall Street https://en.wikipedia.org/wiki/Occupy_Wall_Street

How The Economic Machine Works by Ray Dalio

Now, what your friend decides to do with this information is up to them, but Bitcoiners have decided the way to solve this problem is by creating a money with fair, unchangeable, and unrelenting rules. Oh and don't trust custodians. They have every reason to cheat you, and you have no way to know about it until its way too late.

Bitcoin is freedom

Bitcoin is something you actually own

When your friend's bank account is frozen due to imminent fiat collapse (or being on the wrong side of an AI algorithm), how long do they have before hitting the food bank?