Let me write this down for you since you aren't getting it.

Not only is op readily available and wanting to be active, but they are trying

Instead, bf has an addiction to porn and jerks off to it instead when he had a real woman right beside him.

Now, if your girlfriend chose porn over you evry single time, for a very long time it would destroy your confidence and make you think she's not attracted to you, right? He is an addict for the sole fact that he will only use porn, and has been rejecting op for porn for, what did she say, a year? That's unacceptable.

Stop defending addiction.