Don, I don't think that telling him that you've been training longer than he's been alive is helping to reduce your age. Just remind him that your wife has already offered to kick his ass, it's not like you need to.
Why should she get all the fun, besides if she goes first there would be nothing left for me.
You fancy a challenge then bring it. Only if your prepared to make a journey of a few thousand miles and i guarantee that you would lose. And while you were here I'd be glad to teach you some manners as well.