hi i am 21 years old, i do masturbation everyday since last five years,n one day i was doing that time i had some breathing problem, i Don't have any kind off problem till now,but one of my friend tell me its not good for health & future sex ,Did my masturbating habit caused me pre mature ejaculation ? n while doing masturbation my penis erected in one minute only,n i have girlfriend we usually do sex not full sex but we Excite each other a while penis was erected in my pants n i go to washroom n wash my penis,every time this happen its good for my health n its good way 2 having sex our satisfaction each other,n this kind off sex we had with some off four girls not at a time but before we had so Der are chances for HIV aids,if i have to stop masturbation what i can do,n at night wen i go to sleep i get scared at night time n i think all the time i ill die n all n negative things what symptoms for this kind of health issue