You are not old. It is not too late. As a matter of fact, you are early.
See, a lot of people say that age is just a number, and you can still unlearn the old beliefs of what you know about how the old financial system and learn how the new decentralized financial system works. How it is freedom for the people.
How it makes people their own banks and be in charge of their own money. I do not know how old your kid is right now but if he/she is already a teenager, start to let them in on what you are learning about bitcoin.