Testical size to semen output.

Plainly you never met my ex wife.....

 

:smilielol5:

 

I suspect that we still have the instinctive traces of our primitive evolutionary mating seasons. After all, we're all familiar of the common phrase regarding "Spring being when a young man's fancy turns to thoughts of other things", and even though I can't exactly be considered a 'young' man any more, my horniness level certainly does increase come Spring.