I wouldn’t say ‘natural masturbation’. It’s like saying hitting yourself is natural. It is in a scientific definition when there are no other outside factors involved but in a logical prospective it’s not.
Masturbation might not be as much as bad as watching pornography but it’s still bad. So much life force, proteins an energy wasted in vain. The way I see it, everything that damages you is no natural thing.
Now let’s get back to the question. It’s obvious that Masturbating and watching Pornography are both bad and therefore they should count as a relapse if you engage in such behaviours.
You are new here in this forum right? Welcome then! I suggest you to read The Easy Peasy Way To Quit P.orn Book. There is also a dedicated thread to it here:
It will really help you believe me. You might even break free from this addiction after reading if you follow every instruction and change your mindset.
All the best for your journey brother!