How Can Involuntary Seminal Discharge And Erections Be Controlled?

following r the things that i did in past. i) I did masterbate in the age of 12-15.almost every night.i did it as i was not aware of this thing. ii)I saw the adult movie in the age of 15-17. iii) now i have left every thing but have the prob here are... I have problem related with urine and have the following symptoms: 1. I feel night fall 4-5 times in a month since 3 years and sometimes a gum like liquid comes through after urination. My penis becomes erected during sleeping for every night almost .When it goes to extreme position I feel night fall otherwise I see gum like liquid coming from penis when i urinate after sleeping. This case i.e. either night fall or seeing gum like liquid happens almost for every night. 2. i feel seminal discharge as i see any pron or even think about it. 3. i think my sexual desire has increased as my penis erects very easily .whenever i travel by bus it erects . It also erects during sleeping almost every night and sometimes it remains erected till early morning      4. Whenever I talk to girl a gum like liquid comes through penis. 5. I HAVE BECOME VERY WEAK PHYSICALLY AS WELL AS MENTALLY 6. Even I talk abt sexy thing , a gum like liquid comes from my penis. As i am very sensitive person, I feel very shy. plz help me and suggest some medicine. i have left to see any Pron sites. Thanks & regards, Amit