"Pureblood and half-bloods are exposed to magic early," he growled into her face, relishing in the confusion. "We learn from birth that magic is like any other tool; it can be good, it can be bad and it has to be used carefully. Muggle-borns aren’t taught that lesson. They step into all this and have to learn the dangers through experience rather than being taught. When I say you’re acting like a muggle, you’re acting like someone who never learned the consequences."