I’ve had just one person who regularly takes my advice, and is wildly successful from it. No idea why this person, my wife’s cousin, takes my advice and no one

I’ve had just one person who regularly takes my advice, and is wildly successful from it. No idea why this person, my wife’s cousin, takes my advice and no one else does. Almost makes it more frustrating for when I give advice to others, who of course don’t take it.