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Yes! Maybe it is also a question of age. When circumcision is done in an adult, the reduction of joy with masturbation is probably bigger.
From a study from 2007: "... The effect of circumcision on masturbation is interesting, as preventing masturbation was one of the main original...
I was circumcised in my mid-twenties. Low tight, because my girlfriend liked that best. After that my need for masturbation significantly...