Then, I recommend for you is to never invest. That’s the safest thing for you. Make sure to never save money either, because money is guaranteed to be lost through inflation.
Tom Brady lost millions on what he thought was a good investment, and it was, until it wasn't.
IBM used to be a rock solid investment, with the advent of the microcomputers they have lost a lot of market share.
There is more to it than just investing. But hey, if you think it is all just about investing, best of luck to you.