It must be something to do with Firefox. I pin the forum tab, and when Firefox reloads it winds up as the "recipes and videos" page, and also loads that page from the bookmark I saved from the forum page too. Easy to get to the forum from there, but frustrating. Maybe CS has some unintended page redirecting going on, I don't know.
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 .