I'm a fap addict myself. And I can totally prove it: yes, abstaining from masturbation does bring some benefits. I've decided to stop masturbating two days ago. And in only two days, I noticed I have a noticeably more energy (not so sleepy as before), my vision is sharper (connected to the fact that I'm not as sleepy), I have a less problem talking with my friends since my mind is more "sober", I feel more motivated about doing stuff, it's definitely easier for me to get up in the morning. All in only two days of abstinence. I can only imagine what would happen if I stopped doing it for like a month.