If you run into a wall on this lmk, I would be willing to help out. I have enough that I can part with one, but the hassle factor of the trade makes it not particularly worth it for me (unless you are traveling to Chicago at some point).
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 .