Mr. Noventa: "It's awful! It isn't helping my symptoms, and hurts my stomach. It also makes me sleepy all the time, I can't concentrate, and I think it's thinning my hair."
Dr. Grumpy: "Okay, then why don't you stop it, and we'll try switching you to..."
Mr. Noventa: "I'd rather continue it, because I just bought a 90 day supply."