Puberty is about complete! You find yourself maturing in various aspects even as the School of Life dishes out some hard knocks and reality checks.
If you've had any experience with relationships, you've probably discovered that what truly matters in relationships are shared values and common goals, over looks/money/power. Love can a powerful and wonderful emotion, but it's good to establish now that our emotions can't always be trusted.
If you've hung around people enough, or watched your parents, it's obvious that guys and girls are so different. Yet it's important to learn how to relate well to the opposite sex, in a way that respects them.