actively producing sperm what does that mean exactly
No, it does not hurt!
Once you start producing sperm, you can be a dad. Males usually start producing sperm in their teenager years.
The structures in the sperm that provide energy are known as mitochondria. They have a main function of producing motility for the human sperm.
No, it should not hurt.
Sure, you eat oranges and then you leak sperm!
NO
plants
Stamen
If both are healthy, both will be producing sperm.
Producing sperm has nothing to do with your penis; that's all about the testicles.
Ya, it can.