[Question_Assumptions]

The only physical harm I can think porn might cause is carpal-tunnel syndrome.

Tell that to Bob Crane's two wives. See the movie Auto Focus for a dramatization of his life and the effect that porn had on it.

(Bob Crane was "Hogan" in "Hogan's Heroes", if you don't already know that.)

[Panerai]

"Tell that to Bob Crane's two wives" - Victimization, how wonderful it is, no personal responsibility, just blame it on something else. No, it wasn't Bob Crane's fault, it was porn, how convenient.