This will prevent Josh 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.
“...the absence of certainty does not mean that one interpretation is as valid as any other. Probabilities and plausibilities matter; and when the evidence is less precise or less tangible than we would like it to be, some explanations are still more likely than others.”
―
Mary Lefkowitz