Long pumping sessions
I am fairly new to pumping, have doing it for about 4 months maybe. But not seen any real results yet. I get the impression my dick is quite “stubborn” and hard to expand because I don’t see it being any much bigger even right after a pumping session. I pump for around 20 minutes 3 times with 5 minutes breaks in between to jelq (total 1 hour). I have never read anyone pumping “all day long” like many big gainer hanger guys do. Is it dangerous to pump for lets say 3 - 4 hours a day? If you do it in about 20 minutes and breaks for 5-10 minutes the sets?