Ha! I was WAY ahead of my time. I've probably never in my life had at least 10 close friends. I have never wanted 10 close friends, and social media didn't change that.
Probably there is some childhood trauma and possibly having a VERY tiny bit of Asperger's syndrome is behind my condition, but I've been happy without having more than a handful of close friends. My wife loves me as I am (mostly...) and if I'm not home she knows she can find me at work or the gym and not counting dropped toothpicks or cards in Vegas.
Ironically, I don't really have a problem talking to strangers. I rather enjoy it. People have such varied life experiences and you can learn so much by talking to randos. I just very, very rarely want a close friendship with one of those strangers->acquaintances.
Advice to single guys:
1) Take a Latin dance class. If you want to go someplace where you can be sure there will be more women than men, and you will have a chance over many weeks to chat, laugh, have fun and get some exercise while holding a girl who wants to be held while making sexy moves, Latin dance is the way to go.
2) Take a boxing class. If you do (1), it is very likely you'll be dancing with a young lady whose boyfriend was too much of a d-bag to go to Latin dance class with her. When he finally shows up to see what his girl is up to, he'll see she's having a great time making sexy moves with you. There might be violence if he is both a d-bag and a moron. Best to be prepared. Speaking from experience.