Something can be beautiful if something else is ugly. Someone can be good if someone else is bad. Presence and absence. Short and long. Before and after. Gibberish and meaning. They can only exist together.
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 .