Learn to not give a fuck.
So you don't misunderstand, I'm not saying that you should just talk to people, especially random coworkers, about loli porn and whatever and not care what they think. What I mean is that you teach yourself to not be ashamed by it if you're not letting it affect your decisions in real life.
All of that's just the thought that you're a horrible person drilled into your head since a young age and you're fighting against yourself cause the other part of you knows a literal fucking drawing, some lines on a piece of paper or digital pixels, never hurt anybody.
Learn to discern between obscenity/immorality and a crime. Too many people can't.