'My retirement is completely in bitcoin': Why don't more people do what I do?

By Quentin Fottrell
'I also borrow against bitcoin. What's the catch?'
"My car is a piece of s-, but there's no way I'm spending any money on anything other than bitcoin." (Photo subject is a model.)
Dear Quentin,
I've managed to acquire one bitcoin. I'm a 51-year-old single woman, and I'm a fully signed-up bitcoin follower. Given the volatility, I don't want to cash it in, as I don't think the crypto market is "bubblish." When I first bought bitcoin it was $48,000, and then it fell to $16,000. I bought it at