I just sent you a PM about a little administrative matter. There seems to be a glitch with an expired e-mail address. Let me know if you have any questions about fixing it.
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 .