"It might be a consequence of the hookup culture, of . . . economic pressures, of surging anxiety rates, of psychological frailty, of . . .antidepressant use, of . . . television, of . . . estrogens leaked by plastics, dropping testosterone levels, of digital porn, of . . . vibrator’s . . . of dating apps, of option paralysis, of helicopter parents . . . of smartphones . . . Name a modern blight, and someone . . . is ready to blame it for messing with the modern libido."