"There are no shortcuts. I'd sugarcoat it for you, but that doesn't do you any good in the long run. The kindest thing I can do is give you the truth: after a few days of adjusting, every “accident” is the human's fault."
— Kathy Callahan: Welcoming Your Puppy from Planet Dog, p. 18
With my first puppy, it didn't take long to switch from "getting seething mad because the puppy peed on the carpet again" to "Oh, a couple hours passed already. She just woke up. Also she was trying to tell me she needs to go". One will realize how most "mishaps" are one's own making, and were preventable (which leaves the remaining few a truly fascinating mystery to try to solve).