IMO, neither. Are porn & masturbation addictive? Yes, potentially very much so. All sorts of plesant brain chemicals get produced. If you don't have anything good going on, it's very easy to sit around & jack off instead of being productive. But discipline is important in all things - food, exercise, entertainment, etc. Ignoring your sex drive won't make it go away forever. It's important to address all basic human needs in the healthiest way possible. Involving people you don't really care about is not particularly healthy. And a little self love once in a while doesn't hurt anyone.

Do sexually explicit romance novels make women better, worse, or neither?