The thing is June, you are assuming that the spouse is being honest...
Internet porn use often leads to online affairs... it happens all the time.. and THAT road is NOT something he's going to SHARE with you, he's giong to keep that a secret and you will be played for a fool.. its all over this forum...
The porn would be fine if it didn't prove to lead elsewhere or to unhealthy places, but porn use often escalates, it doesn't just stay with porn... THAT is the risk, and its not one that is good for a marriage
Porn use is fine, but its the potential secrets and lies that follow that become a problem.. and what's behind those lies is even worse...
It's much like your H going to a singles bar with a buddy who is single.. you may say you are fine with it.. but its a dangerous thing to sign off on there...
Healhty marriages have spoues who respect SAFETY ZONES of a marriage, much like driving a vehicle.. those who drive their marriages wrecklessly and just rely on "trust" find their marriages end up very soon in a ditch
Trustworthy people behave in a trustworthy fashion that includes the safety of their marriage and observing the importance of preserving that safety...
Use of porn is an act of marital wrecklessness... a ticking time bomb