When I reuse boxes, I break them down and turn them inside out. This way all the printing is not showing. I still remove address labels for matters of privacy. This means I need more tape, but it is worth the effort and the tape.
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 .