From the youth engagement toolkit of the Ontario Centre of Excellence for Child and Youth Mental Health, there's some guidance/ principles to consider (scroll down the page to see "Honorarium":
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 .