You just made a decision. Your brain is already arguing with it. That's normal. The part of you that wants to go back is loud right now, and it will stay loud for a while. Don't try to argue with it. Just don't act on it.
Right now your only job is to get through the next few hours. Not the next week. Not the next month. The next few hours. Close every tab. Delete every bookmark. Clear your browser history. Remove any apps that lead you there. Do it now, before the decision starts to feel negotiable.
You don't need a plan for day 30. You need a plan for tonight. What are you doing with the next three hours? Have an answer. If you don't, your brain will answer for you.
Tomorrow: getting through tonight. The most dangerous window has a specific playbook.
You don't need to be ready for the whole journey. You need to survive the next three hours.
Set a timer for 2 minutes. Delete every saved bookmark, shortcut, or app that connects you to porn. All of them. Right now.