good evening sir , i am 21 years adult male here , how to improve my sperm count and i used to masturbate daily is there harm in it , some times one person will do oral sex for me , is there possibilities of HIV for me because of oral sex and also i had sex with with my ex girl friend with out any protection ( i never allowed to flow my sperm inside her not a single drop )....? now what i fear is if i get married and have sex with my wife is there any .......possibilities of HIV , i fear a lot sir