Pants Protection

My pants will never fall down.

They have triple protection: the zipper, a hook, and a button.

When the button fails, I still have the zipper and the hook. No problem.

If the hook were to fail, I'd still have the zipper and the button.

If the zipper fails, I'd have to be careful, but the pants would stay up, relying on the hook and the button.

What are the odds that all three, or even two, would fail simultaneously? Slim to none.

Add in my belt, and I have quadruple protection.

Now the real question: Why?? Isn't it overkill? I mean, really.