How soon do you add your boyfriends family on social media?

my boyfriend said it’s weird for me to accept his family’s Facebook requests because we only been together for a year and we don’t even have kids and we aren’t even married. what y’all think? even though I’ve met them a few times. he makes a big deal about it and says it’s weird for me to be close to them
How soon do you add your boyfriends family on social media?
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