At the end of your bottle, if you’re taking them as prescribed, which is usually every 4-6hrs? Do that for a week and your body would be addicted. A full bottle + a refill, even two? It’s not about taking them recreationally. Your body and brain get addicted when they’re in your system regularly. I would know, got hit by a car, I think I only had one refill, and I was going through withdrawals at the end. I wasn’t even taking them as often as prescribed, mostly “as needed.” That was still regular enough.