Is sending a friend request on social media enough to encourage a guy to talk to me more?

Is it up to him to message me after that and ask me to hang out, or should I message him? I smile and ask him questions about himself that shows him I pay attention to what he says, or what he's posted online, whenever we're around each other in person.

Is sending a friend request on social media enough to encourage a guy to talk to me more?
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