Welcome to the Forum Hillbilly! Don't kick yourself too hard, ya might bruise. One thing we've all learned (or are supposed to be learning) is to take good notes so we don't repeat our mistakes and imporve on our nearly-good ideas!
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 .