Make sure if using JB weld on magnets that they're not smooth surface. The JB weld needs something to grab. Especially with neodymium the power to grab can pull right away from JB weld. Been there done that.
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 .