Oh, you're going to make the cure, huh? Patronizing much? 5 billion women in this world, and they just explained to you that most of the researches, doctors, and scientists all shifted focus to feverously trying to find a cure. There is something that only you can do that they can't, but you refuse their sincere pleas? Furthermore, do you think the girl would be happy? "I decided to let humanity die off out of loyalty to you." You really think she'd be happy? What a putz.