After Masturbation, Is It Normal For The Semen To Come In Drops ?

Hi,am 19male whenever i do master when the time come of sperms come out it never shoot its come by droping few n slowly whats wrong with me help me thanx Hi am 19 male 53kg i have to qst 1.when ever i masturbate when time comes for sperms to come out its never shot its just dribble n drop slowly n few is that a disease 2.after sperms comes out y i cant continue duin sex. Help me