1 Week Loop, any help?

As of right now, I work, go to the gym, eat nice, have a great diet, body looks great, but am still chained to lust and I feel as if I am a slave to my own desires and temptations. I have no problem starting up a no porn streak but it feels as if around 5-7 days is where I always relapse, which has been happening since late December and has made me feel terrible and depressed as of recent. I just feel as if one minor inconvenience to my day for example, me being sore after doing work, eating too much junk in one day, or someone getting into my head which fucks my emotions over gives that tiniest push to make me relapse and I am going to try my absolute hardest starting from today to try and stop this cycle, that is why I am here right now typing this, any help or mental advice from you guys would be greatly appreciated 😁. I'd like to see myself turn into one of those guys who are over 50+ days sober helping people like me.