Thank you for your detailed answer, DocV. I totally agree with you. I think those sentences that I found on the Internet makes it evident that you can find horrible grammatical mistakes even at the native-speaker level.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .