You have your suspicions, but you're really not quite certain as to why you've been invited to the White House to enjoy a beer with Vice President Joe Biden and President Barack Obama.
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 .