It's a slippery slope. They justify professionally produced at first because "It's just fantasy" despite the fact the porn industry is filled with r*pe and abuse. Then they justify looking at indie creators on OF or IG because "Sex work is real work" or "They're doing it by choice." Then they justify whatever more extreme thing they fall into with one excuse or another. "They're almost 18" or "It's consensual non-consent" or "They interviewed her before. She's totally not drugged."

You're still young. I was around the same age when I left him. You have TONS of life ahead of you to enjoy your life without that kind of person in your life.