It messes around with your brain. Which in turn messes around with your mood, which in turn can affect your interactions, relationships and the downspiral can go even deeper. I stopped here.

I guess there are a lot of prerequisites for things to go on a downward spiral ( start young, be an introvert, have thin skin ), cus some people never get here. But if you find yourself having terrible mood issues, mental fog etc. and have a consistent porn watching habit, don't exclude porn as a possible source.