That tree whose leaves are trembling: is yearning for something. That tree so lovely to see acts as if it wants to flower: it is yearning for something. - Diego Hurtado de Mendoza, 1395
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 .