My best friend’s father is an avid user of social media. He’s retired and spends most of his day posting memes on Facebook and Instagram. Recently, I realized he might not know how Instagram works. I noticed over the past week or so that he has been following, liking, and commenting on a lot of Instagram pictures of young gay men. I don’t think he realizes that anyone who follows him can see that activity. At first I was worried, not because he might be gay or bisexual, but because he may still be “in the closet.” He’s married, with a son (my friend), and to my knowledge, if he is bisexual or gay, nobody knows. I thought about warning him that his activity is public, but then I saw more. Not only has he been liking pictures of younger looking men, he’s also been liking and following accounts of very...