Why Won't We Unfriend Strangers on Facebook?

Our friends lists are filled with people we haven't spoken to in years. Why do we find it so hard to let go?

I've got them. You've got them.

They're the people we knew a decade ago or longer: an ex-girlfriend from high school, a kid from youth group who we really only met twice but sent us a friend request we felt too bad to decline.

I prune my social media following every few months, and I stumble upon these people every time. Not quite friends. Not quite acqua…