How can you stop masturbation addiction and concentrate on my studies?

Eat, Mst'bate, Study: You might want to take a look what the "go ask alice" online q&a service run by columbia u's school of public health: http://bit.Ly/17krv3h. "alice" suggests questions to ask yourself about your patterns of masturbation, your attitudes about it, etc. She points out that different people have very different masturbation habits/needs. Consider building in time for it when you study?