I'll give you one real good reason not to masturbate that will trump any of those four:
It dramatically reduces penis sensitivity.
I now have to go on a Man1 Oil treatment regimen and not let anything touch my dick (including a woman) for 6 months. I also have to undo the neurological damage of porn.
I made a post a few days ago since I was shocked that I couldn't get it up in the presence a real woman, and I'm 25 years old. Yet I have no problem getting it up in front of a computer screen. When she dropped her clothes I didn't even remotely get excited.
Sure, I'm talking about the effects of porn, instead of masturbation, but what is porn without masturbation?
When I was 9-12 I used my imagination to imagine fucking the cutest girls at school.
When I was 13 (2004), I got my first modern computer, and had access to the most extreme porn ever since.
That really fucked me up.
Also, I practically can't feel anything on the right side of my dick from masturbation.
I'm going to write the most in depth article possible after I've recovered from this problem and submit it to journals and newspapers with references and bibliographies. Apparently
older men can recover from the neurological remapping of porn sooner than younger men who grew up with porn. The older men take only 2 months maximum of cold turkey on porn, younger men take nearly a year in some cases.
I had noticed this was becoming a problem when I was teenager, I even suspected it was because of porn. If anyone wants, they can go through my facbeook and see how my pictures DEVOLVE over time. As a young teenager I'm surrounded by girls in my photos, as I get older, there are less girls, and the girls that pop up are less attractive. My sexual demands became far too high, deepthroat and anal was requirement from any chick --- first date...holy shit nigga. I actually told a chick from the bar several motnhs ago that "she was too boring" and I sent her home, and I then proceeded to masturbate to "skull fucking" on the internet !!!MY GOD WAS I FUCKED UP.!!!
Had I not attended several Pagan festivals honoring the Great Mothers, Freyja, Morrigan, Shakti, etc, I probably never would have sought a remedy for this problem.
https://www.facebook.com/solomonscourge/photos
I don't care what the 4 reasons are, since they are overshadowed by losing penis sensitivity and unnatural neurological remapping (even if the masturbation is NOT accompanied by porn).