Long time ago i over climaxed, blood came out now i cant have sex at a fast pace because it feels like masturbating while not horny tingling?

See a urologist: At your age, especially if you're holding off on your ejaculation for the most intense experience, you can tear a little vein in a seminal vesicle. I am betting you have a blood clot deep in yourself which will eventually organize but now is pushing on a nerve. Vary your technique with your partner to accommodate this change until things resolve, and use your hands and mouth to advantage.