I hate when that happens. I place them in front of a fan to dry. This seems to help some. Also run a toothpick or something through that small area to get any air bubbles 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 .