You learned by you had an experience where you viewed porn, you got dopamine. Your brain remembers where, when, and how it gets dopamine. So the next time that experience happened, let's say it was a certain time of the day. Or remember, whenever we feel lonely like this, we get that dopamine. And so you feel lonely like that again and your brain like types up. It's like, Hey, remember, gives you these urges. We need to go get that dopamine."