I tell lies to cover my struggle. He's gone from occasionally running across it to making a conscious effort to seek it out. In a category two addiction, he attempts to bridge the fantasy world of pornography to the real world. It's not uncommon for a man to try to recreate in real life what he's seeing in pornography. He may try to enact with his wife what he has seen, with or without her knowledge or consent.
Many men live in a category one or two addiction for years and never progress any further.
If men progress to a category three addiction, and there are plenty who do, they get involved in more severe forms of pornography, including child pornography. They also move to serious criminal behavior such as rape and child sexual abuse. An addiction to pornography doesn't happen overnight. It sneaks up on a man over time, and there are multiple factors involved.