Boys to girls, because boys are designed to want to have sex with women because in nature a man’s job is to find women who he can pass his genes onto the next generation - hence why guys have been adapted to get the most pleasure out of sex.
Boys are more attracted to physical attributes of a girl. A girl is genuinely more attracted to the masculinity and personality of a guy and (less so) physical attributes. Because in nature a women has to accept the best offer from a man who wants to pass his genes on using her.