Knees and Testicle problem

Hi pls help me i have a serious problem, i started masturbation from 14 age and i did masturbation for 10 years now i faced with really vital problem 1 i got premature ejaculation 2 everyday a lot of uncolored fluid is coming out from my pines 3 my knees fluid get less now cant walk well by moving my knees the bones make sound 4 sometime my testicle get really in pain pls tell me what should i do.