Talk to Sexologist on Abnormal Discharge

I am 29 Male, Unmarried & physically healthy guy with no disease or problem at all Alhamdulillah. From last 3 - 4 months i am observing that i am not discharging in normal manner some of the times whenever i masturbate. Rather than getting released at the climax, i get released during masturbation and that climax never comes after that. Some times it goes very normal.. is Masturbation frequency is once in a week or 2 weeks or sometimes once in a month.