There is only one optimist. He has been here since man has been on this earth, and that is man himself. If we hadn't had such a magnificent optimism to carry us through all these things, we wouldn't be here. We have survived it on our optimism. ↗
If he didn't fall in love he would have never come back near the end of the film. Because, what man is going to dishonor himself so that he comes back in front of the man that took a woman away from him... and warns her to save her life? ↗