Do you block people on social media, or do you think that is childish/immature?

For a while I blocked people that I spent to much time looking into (like crushes or relationships that never went anywhere) and then I blocked people like my ex's family. Do you think that its childish to block? I used to think so but it helps to block I find.
Yes, I block people.
No, I dont block people
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Do you block people on social media, or do you think that is childish/immature?
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