I play a game with myself whenever I get a new puppy. How long can I go without having to tell the pup “NO”?
This game comes from some great advice I was given when I got my first Weim puppy: Don’t set your puppy up for failure. (Errr…. were you expecting some miracle advice? 
)Yes, it’s simple, but it’s important to keep this in mind at all times.
Don't be mad; I want to be good!
Scolding a Weimaraner puppy with “no’s” all the time is an inefficient way to teach; it gives so little information to your puppy who has no idea what your expectations are of him and all the rules of being a good member of your family. At any given moment, your new Weim has thousands of behavior options. If peeing on the kitchen floor is a “no” then is it OK in the living room? Is it OK sometimes but not just now? Maybe your dog didn’t even realize that you were yelling “no” in response to peeing, maybe he made an incorrect association. Or maybe he is deciding that you are just a scary person that seems to like to yell and get mad a lot.
“No” doesn’t help your Weimaraner understand what your rules are. Even if he does correctly associate your “no” with what was specifically displeasing you, what should he do instead? Making him GUESS what the correct response is confusing, stressful, and more than likely you are setting him up to fail AGAIN.
Instead, SHOW him what the right thing to do is by creating situations where he will have to do the right thing because you set up the situation and environment for him to succeed. Your puppy really wants to please you! Help him do this while he’s young, and always control his environment so that he can’t make mistakes.
(And once he knows the rules and gets to that I-forgot-the-rules-and-furthermore-I-can’t-hear-you stage, THEN “NO!” is appropriate!)
I think I went 3 days without saying “no” to a new puppy. It was a potty accident that did me in (my fault of course). How long do you think you can go without saying “no” to a little Weim pup? They are mischevious little imps; this exercise is tough, but a good one! 
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I try to do this even with my 3.5 yr old! I try to remember to tell her whenever she’s being good. Sometimes it’s hard though. Poking her nose in the cat box is a NO-NO but if I can catch myself, and give her a second to make the right decision, I am sure to praise her when she snifs and walks away. Now, sticking her head IN the catbox and taking a bite gets a BIG NO!!!!!!