What I think we're all trying to collectively say is that masturbation is not wrong. Most people here have an addiction to using porn to get off. For us, that includes ALL simulated sexual stimuli. It doesn't matter if it's a pic of your gf or a video of a porn star or erotic books or even a Victoria's Secret catalog - if you are jacking it to some sort of sexual media (or even your imagination and fantasy) then it's not good for you.
The problem with most people here is that we can only get off if we have these stimuli and that's what we're trying to fix. Some guys are even as young as 14 and 15 and have erectile disfunction because of porn.
Many people will agree that masturbation where you are totally in the now and not using your imagination or using pixels to get off is totally fine because it is based on just the feeling.
For some of us, we abstain from all masturbation during our reboot to be able to fix the issues with our brains, then once we've rebooted, will only masturbate to the feeling alone, or will only engage in sex with other people. Pixels and imagery is no longer an option for us.
So if that sounds like you - you can only get off when using a pic of your gf - then you might want to try to stop doing that.
Hope that helps.