Harry Potter and the Wizner

Harry has been emotionally and physically abused for the first 11 years of his life. His self-preservation skills probably aren't the best because that's kind of what happens from being abused and other things. If you are not the person who killed the unicorn and the blood was just there, are you still cursed or? That's the question. Are there potions with unicorn blood? I'm sure there are. You know what? What if a horcrux takes? No, not a horcruX. Like I can see something like that using like a dash of unicorn blood. That was a spell of his own invention. And he was already drinking it. He was like might as well