Did anyone else hear Marcus say that this morning? That's the reason, apparantly, that he never, ever get sick. Doesn't seem to stop him getting lovesick though.
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 .