How To Prevent Sperm Leakage In Urine?

I m 23 year old met one ayuverdic person he checked my puls said that ur doing masturbation since 7 to 8 years it s very bad and asked me to bring urine before having lunch same I took to his place and put colorless drop in urine said that sperm or dhaatu is going through ur urine it s bad and also affects ur future sex life u will not children so that you have to take medicine ,so I m scared of his speech so please help me.