How do you stop mastur**tion

I've been masturbating for long time, It's hurting my mentality. I cannot do a normal thing without thinking about s*x. I want to stop for too long, I've tried to do 2days without then 3days without and increase the days gradually with some breaks in-between in hope to stop completely after sometime. Nothing happened... Those who have stopped completely, could you please post your story and how you stopped... It's hurting me, thanks.