For the same reason that we all vary in height and hair color, it's just genetics.
It can take some practice for a man to be able to control his ejaculations. The inability to control this is called premature ejaculation.
erectile dysfunctions can prevent ejaculations.
Mastrtbation
erectile dysfunctions can prevent ejaculations.
A month.
no, if the birth control pill you are taking is effective then multiple ejaculations versus one or two ejaculations shouldn't matter. the point of the pill is to halt the releasing of your eggs so different amounts of ejaculation should not effect this.
15-19 minutes
Yes, it is perfectly normal.
They tend to, yes
Yes I do. Were you trying to ask something else?
Yes, of course.
studys say yes