What If The Sperm Not Come Out Why Does My Sperm Come Out Anytime I Am In The Toilet Pooping?

Why does my sperm come out anytime I am in the toilet pooping? - what if the sperm not come out

Whenever I poop in the toilet, comes out of my sperm when I push the star. I have no STDs, because I have never had sex. Also my left testicle hurts soo doing badly. What do you think could be the problem?