Because unlike you, she wouldn't be stupid enough to drink it.
Musta hit a nerve.
You reject God's Word! Yes, you did!
God proclaims "if she be defiled , and have done trespass against her husband, that the water that causeth the curse shall enter into her, and become bitter, and her belly shall swell , and her thigh shall rot :"
but Ink says, "I don't think anything at all happens. I think it is only the threat that gets her to admit the indescretion."
All you're doing is calling God a LIAR.