When everything is working naturally, the eye sees, the ear hears, the nose smells, the mouth tastes, the mind perceives, and the heart spontaneously responds with the appropriate action.
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 .