"The other reason for the increase in the age of virginity loss among boys is romance. Even in the face of cultural narratives that tell boys that all they want is sex, they tell personal stories of love and emotional connection (yes, even to grown-up lady sociologists). This loosening of rigid gender roles can be credited to feminism, Schalet contends, and even if it has “largely flown under the radar of American popular culture,” it is nonetheless given boys the “cultural leeway to choose a first time that feels emotionally right."
Lisa Wade in Sociological Images. BOYS DELAY VIRGINITY LOSS FOR FEAR AND LOVE