Take some swings (preferably against a good pitcher...maybe a friend?), field some grounders, get your body nice and loose and fresh and have some fun.
Don't try to "cram" like you do before a test...you will just end up tight and/or burnt out.
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 .