It's not about failure; it's about trying something and risking something for attaining your goal.
If you come on my property, I've got you from the second that you enter on. There's little lasers... my TVs come on in my room and fall just right on you. So, there's no way to sneak up on me. And I've got a loud dog.
Don't use tap water to make your colloidal silver. Use pure distilled water only. And don't take very large dosages or strong concentrations for long periods of time.