What Are The Ill Effects Of Excessive Masturbation?

hello i m rahul . i 8 the age of 13 masturbatd violently 8least once a day. i used to m... even therer was no erection ,no flow fo semen nd within few sec i ejaculated . b4 my 14th b'day i realised my mistake nd stopped it, 8 1st i masturbate 1ce in aweek then it gradullly decreased to 1ce in a month bt it took about 6 months 2 reach that. than my condition bcame so pathetic that even if i change my position i started getting erection 4 da first time i experienced nightfalls (though i was also suffering 4m premature ejaculations). after that i noticed that usually after erections or nightfall gas bubbles used 2 build on my pelvic area . after that and till now i m going through violent chronic constipation aaccompanied with gastric problems my nightfalls increased a lot nd uncontrolled flow of semen after this is the 7th month i m going through this nd have slimmed a lot nd noticed sympotms such as increase in heart beat and loss of concentertion which is day by day worsening . now i m 15nd1\2 yrs nd have noticed that my testicles size which earlier was about 5 cms has educed to merely 2cm .please help me in this miserable condition