Here’s the hard truth, guys: Most women are not turned on by video or digital glimpses of your junk, Meana said.

Empirical literature shows clear differences in what lights the passions of males and females. While many dudes are visual animals focused on sexual anatomy, “women’s subjective arousal appears to be more driven by relationship dynamics, expressions of desire, narrative expositions of that desire,” Meana said.

But some ladies — especially those already in a physical relationship with the sender — are into sexting. Still, it’s an erotic fine line.