Please this is a serious question. males only! and doctors?

[I gotz 1 Chance]

I just wondered when I guy reaches a climax he is suppose to jisz I am at the age where this should happen. im 16. I wonder is it always white? because mine is clear. I am worried and I dont go far with girls because I am embarrassed . It has never been white either

Please help I mean is this a sign of something? does it happen to many people?