There is no “normal” amount of pornography to consume. For example, in a 2008 study, 20% of college aged men in the United States reported viewing pornography either every day or every other day.
Very interesting link to a study on the guilt associated with a perceived porn addiction. https://www.psychologytoday.com/blog/women-who-stray/201509/your-belief-in-porn-addiction-makes-things-worse