A topless photo used to be enough. Now six guys using someone's daughter as a toilet can't even hold your attention.
Remember being a kid and feeling happy when the windows were open and the house smelled like fresh air?
Simple pleasures like that didn't go anywhere. Your brain just built up a pleasure tolerance. Fortunately, tolerances can be reversed.
NoFap is unnecessarily difficult. Just stop watching porn and use the following rule when you masturbate:
If you can't climax while fantasizing about having loving sex with your partner (or, if you're single, someone who would actually date you), then you don't need to get off.
In a few weeks, the feeling of sunshine on your face will feel like heaven again. Welcome back.