This will prevent Mad from sending you messages, friend request or from viewing your profile. They will not be notified. Comments on discussion boards from them will be hidden by default.
“In order for me to live life to the fullest is to not enjoy every minute. Enjoying every minute takes meaning out of them. In order to truly appreciate the joyous moments in life, we must embrace the painful ones and keep them in memory.”
―
C.J. Lyons