As a male who has seen his share, the answer is a resounding yes.
It is sexually repressive It is emotionally unhealthy It is a distraction from his spouse It sets false expectations of and for women It objectifies women and spouse It is time and energy (and $$) NOT spent on spouse/family Porn is an interesting conflict. The sex that is "sought" in porn negates it happening "in reality". Thus a chain.
There is an entire section in "No More Mr Nice Guy" that deals with this addiction/habit.
Fascinating reading. Changed my view completely. It was part of my "self-analysis" Browsed through a copy at Chapters/Indigo and POW-right in the face.
