Stare Way To Heaven

I'm a girl in my early 20s, and I recently started dating a guy I met in college. I'm very happy, except for one issue: For as long as I've known him, he's followed Instagram accounts of attractive women with provocative photos (ranging from half-naked to entirely naked), and he'll "like" these pics. This really bothers me; however, I don't want to be the overbearing girlfriend. Why does he do this, and does it matter?

--Disturbed

There's a certain kind of man who's drawn to the sight of hal...