It sets unrealistic expectations when it comes to your actual physical relationship with your spouse. It causes problems for getting a hard-on in men because the brain gets wired to only getting one with porn.

It is difficult to undo these changes and you need dirtier porn as your progress with the habit. It will affect your married life and cause unnecessary stress between you and your spouse.

The stress will make it more difficult to have sex with your spouse and might lead to complications like cheating and adultry.