I had a serious problem with porn. Realized pmo was a terrible drug that was making me more stupid by the day. Spent about 14 years of my life watching porn nearly every single day and realized my brain didn't develop properly because of it. At 22 I realized I only had a few years left til my brain fully develops, so I wanted to make the most out of these last few years doing anything I can to nurture it and keep it healthy, because how I treat my body/mind these during these last developmental years will likely have an effect on the rest of my life.
Also I hate the shame that comes with porn and masturbation. I would much rather live without that shame.